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FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONS SAMPLE 1 Free SAT II Physics Practice Questions with Solutions. Sample 1. Sat Physics subject questions, with answers, similar to the questions in the SAT test are presented. The answers are at the bottom of the page and the detailed solutions are also included. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. HOOKE'S LAW, EXAMPLES WITH SOLUTIONS Hooke's Law In the diagram below is shown a block attached to a spring. In position (A) the spring is at rest and no external force acts on the block. In position (B) a force F is used to compress the spring by a length equal to Δ x by pushing the block to the left. LINEAR MOMENTUM QUESTIONS WITH SOLUTIONS A) The two objects have momenta with equal magnitudes. B) The magnitude of the momentum of A is greater than the magnitude of the momentum of B. C) The magnitude of the momentum of A is smaller than the magnitude of the momentum of B. D) The two objects have equal masses. E) Mass of object A is smaller than mass of object B. TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Problem 1. A block of mass 5 Kg is suspended by a string to a ceiling and is at rest. Find the force Fc exerted by the ceiling on the string. Assume the mass of the string to be negligible. Solution. a) The free body diagram below shows the weight W and the tension T 1 acting on the block. Tension T 2 acting on the ceiling and F c thereaction
ADDITION AND SUBTRACTION OF VECTORS Addition and Subtraction of Vectors Figure 1, below, shows two vectors on a plane. To add the two vectors, translate one of the vectors so that the terminal point of one vector coincides with the starting point of the second vector and the sum is a vector whose starting point is the starting point of the first vector and the terminal point is the terminal point of the second vector as shown in OHM'S LAW WITH EXAMPLES Example 1. Find the current I through a resistor of resistance R = 2 Ω if the voltage across the resistor is 6 V. Solution to Example 1. Substitute R by 2 and V by 6 in Ohm's law V = R I. 6 = 2 I. Solve for I. I = 6 / 2 = 3 A. Example 2. In the circuit below resistors R1 andR2 are
SERIES AND PARALLEL RESISTORS The two resistors that are in series are grouped as Req1 in the equivalent circuit below and their resistance is given by the sum. Req1 = 100 + 400 = 500 Ω. The two resistors that are in parallel are grouped as Req2 in the equivalent circuit below and their resistance is given by the equation. 1 / NUMERICAL APERTURE OF OPTICAL FIBERS CALCULATOR The numerical aperture of an optical fiber system as the one shown in the diagram below, has been defined and all important formulas found. For a core of refractive index n 1 and a cladding of refractive index n 2 such that n 1 > n 2, a light ray incident from outside the core at an angle α will be internally reflected at the core - cladding interface, if α is smaller that α max given by PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSFREE PHYSICS SAT AND AP PRACTICE TESTS QUESTIONS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. Physics concepts are clearly discussed and highlighted. Real life applications are also included as they show how these concepts in APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONS SAMPLE 1 Free SAT II Physics Practice Questions with Solutions. Sample 1. Sat Physics subject questions, with answers, similar to the questions in the SAT test are presented. The answers are at the bottom of the page and the detailed solutions are also included. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. HOOKE'S LAW, EXAMPLES WITH SOLUTIONS Hooke's Law In the diagram below is shown a block attached to a spring. In position (A) the spring is at rest and no external force acts on the block. In position (B) a force F is used to compress the spring by a length equal to Δ x by pushing the block to the left. LINEAR MOMENTUM QUESTIONS WITH SOLUTIONS A) The two objects have momenta with equal magnitudes. B) The magnitude of the momentum of A is greater than the magnitude of the momentum of B. C) The magnitude of the momentum of A is smaller than the magnitude of the momentum of B. D) The two objects have equal masses. E) Mass of object A is smaller than mass of object B. TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Problem 1. A block of mass 5 Kg is suspended by a string to a ceiling and is at rest. Find the force Fc exerted by the ceiling on the string. Assume the mass of the string to be negligible. Solution. a) The free body diagram below shows the weight W and the tension T 1 acting on the block. Tension T 2 acting on the ceiling and F c thereaction
ADDITION AND SUBTRACTION OF VECTORS Addition and Subtraction of Vectors Figure 1, below, shows two vectors on a plane. To add the two vectors, translate one of the vectors so that the terminal point of one vector coincides with the starting point of the second vector and the sum is a vector whose starting point is the starting point of the first vector and the terminal point is the terminal point of the second vector as shown in OHM'S LAW WITH EXAMPLES Example 1. Find the current I through a resistor of resistance R = 2 Ω if the voltage across the resistor is 6 V. Solution to Example 1. Substitute R by 2 and V by 6 in Ohm's law V = R I. 6 = 2 I. Solve for I. I = 6 / 2 = 3 A. Example 2. In the circuit below resistors R1 andR2 are
SERIES AND PARALLEL RESISTORS The two resistors that are in series are grouped as Req1 in the equivalent circuit below and their resistance is given by the sum. Req1 = 100 + 400 = 500 Ω. The two resistors that are in parallel are grouped as Req2 in the equivalent circuit below and their resistance is given by the equation. 1 / NUMERICAL APERTURE OF OPTICAL FIBERS CALCULATOR The numerical aperture of an optical fiber system as the one shown in the diagram below, has been defined and all important formulas found. For a core of refractive index n 1 and a cladding of refractive index n 2 such that n 1 > n 2, a light ray incident from outside the core at an angle α will be internally reflected at the core - cladding interface, if α is smaller that α max given by PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. MOTION PROBLEMS, QUESTIONS WITH SOLUTIONS AND TUTORIALS Free questions and problems related to the SAT test and tutorials on rectilinear motion with either uniform velocity or uniform acceleration are included. The concepts of displacement, distance, velocity, speed, acceleration are thoroughly discussed. Problems, questions and examples are presented with solutions and detailedexplanations.
TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Problem 1. A block of mass 5 Kg is suspended by a string to a ceiling and is at rest. Find the force Fc exerted by the ceiling on the string. Assume the mass of the string to be negligible. Solution. a) The free body diagram below shows the weight W and the tension T 1 acting on the block. Tension T 2 acting on the ceiling and F c thereaction
ELECTROSTATIC PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Problem 7: The distance between two charges q 1 = + 2 μC and q 2 = + 6 μC is 15.0 cm. Calculate the distance from charge q 1 to the points on the line segment joining the two charges where the electric field is zero. Solution to Problem 7: At a distance x from q1 the total electric filed is the vector sum of the electric E 1 from due to q 1 and directed to the right and the electric field E COMPONENTS OF A FORCE IN A SYSTEM OF COORDINATES Components of a Force. Being a vector, a force can be represented by its components like any vector. One of the main advantage of resolving forces into their components, is that it is easy to add them, to scalar multiply them, etc. LINEAR MOMENTUM AND COLLISIONS, QUESTIONS AND EXAMPLES Linear Momentum and Collisions. Free tutorials on linear momentum with questions and problems with detailed solutions and examples. The concepts of momentum, impulse and force, conservation of momentum, elastic and inelastic collisions are discussed through examples, questions with solutions and clear and self explanatory diagrams. GRAVITY PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Gravity Problems with Solutions and Explanations. Gravity, problems are presented along with detailed solutions. Problem 1: An object is dropped, with no initial velocity, above the surface of planet Big Alpha and falls 13.5 meters in 3 seconds. The radius of planet Big Alpha is 5.82×10 6 meters. a) What is the acceleration of the falling VECTOR DIRECTION AND BEARING Magnetic Compass Magnetic compass was used by sailors to give directions.Using the four cardinal points of a compass, a direction is given as an angle of rotation from one one cardinal to another. Examples are given in figure 2 below. Example on the left, the direction "W 30° N" is the angle of rotation of 30°, from West toNorth.
CONSERVATION OF MOMENTUM pi = moment of gun + moment of bullet = 5 × 0 + 0.015 × 0 = 0. Final velocities: Let v1f be the velocity of gun and v2f the velocity of the bullet (final velocities), the momentum after the gun is fired is. p = 5 × v1f + 0.015 × 1000. Momenta are equal before and after interaction: conservation of momenta. 0 = 5 × v1f + 15. KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLES Kirchhoff's's Law of Current. Kirchhoff's law of current states that the algebraic sum of all current at any node (or junction) in an electrical circuit is equal to zero or equivalently the sum of the currents flowing into a node is equal to the sum of the currents flowing out of that node. \ At the node \( N \) above, we may write \( i_1 + i_2 = i_3 + i_4 \) PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSVECTORSMAGNETISMOPTICSMOMENTUMPROJECTILEMOTION Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. Physics concepts are clearly discussed and highlighted. Real life applications are also included as they show how these concepts in LINEAR MOMENTUM QUESTIONS WITH SOLUTIONS A) The two objects have momenta with equal magnitudes. B) The magnitude of the momentum of A is greater than the magnitude of the momentum of B. C) The magnitude of the momentum of A is smaller than the magnitude of the momentum of B. D) The two objects have equal masses. E) Mass of object A is smaller than mass of object B. TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem1
FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONS SAMPLE 1 Free SAT II Physics Practice Questions with Solutions. Sample 1. Sat Physics subject questions, with answers, similar to the questions in the SAT test are presented. The answers are at the bottom of the page and the detailed solutions are also included. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
HOOKE'S LAW, EXAMPLES WITH SOLUTIONS Hooke's Law In the diagram below is shown a block attached to a spring. In position (A) the spring is at rest and no external force acts on the block. In position (B) a force F is used to compress the spring by a length equal to Δ x by pushing the block to the left. ADDITION AND SUBTRACTION OF VECTORS Addition and Subtraction of Vectors Figure 1, below, shows two vectors on a plane. To add the two vectors, translate one of the vectors so that the terminal point of one vector coincides with the starting point of the second vector and the sum is a vector whose starting point is the starting point of the first vector and the terminal point is the terminal point of the second vector as shown in SERIES AND PARALLEL RESISTORS The two resistors that are in series are grouped as Req1 in the equivalent circuit below and their resistance is given by the sum. Req1 = 100 + 400 = 500 Ω. The two resistors that are in parallel are grouped as Req2 in the equivalent circuit below and their resistance is given by the equation. 1 / OHM'S LAW WITH EXAMPLES Example 1. Find the current I through a resistor of resistance R = 2 Ω if the voltage across the resistor is 6 V. Solution to Example 1. Substitute R by 2 and V by 6 in Ohm's law V = R I. 6 = 2 I. Solve for I. I = 6 / 2 = 3 A. Example 2. In the circuit below resistors R1 andR2 are
TOTAL INTERNAL REFLECTION OF LIGHT RAYS AT AN INTERFACE Total Internal Reflection. Let a ray of light being incident through a medium of refractive index n 1 = 1.1 onto a medium of refractive index n 2 = 1.0. Let i be the angle of incidence and t being the angle of refraction.. According to Snell's law we can write n 1 sin(i) = n 2 sin(t) Solve for t to obtain t = arcsin Let us make a table of values including different PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSVECTORSMAGNETISMOPTICSMOMENTUMPROJECTILEMOTION Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. Physics concepts are clearly discussed and highlighted. Real life applications are also included as they show how these concepts in LINEAR MOMENTUM QUESTIONS WITH SOLUTIONS A) The two objects have momenta with equal magnitudes. B) The magnitude of the momentum of A is greater than the magnitude of the momentum of B. C) The magnitude of the momentum of A is smaller than the magnitude of the momentum of B. D) The two objects have equal masses. E) Mass of object A is smaller than mass of object B. TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem1
FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONS SAMPLE 1 Free SAT II Physics Practice Questions with Solutions. Sample 1. Sat Physics subject questions, with answers, similar to the questions in the SAT test are presented. The answers are at the bottom of the page and the detailed solutions are also included. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
HOOKE'S LAW, EXAMPLES WITH SOLUTIONS Hooke's Law In the diagram below is shown a block attached to a spring. In position (A) the spring is at rest and no external force acts on the block. In position (B) a force F is used to compress the spring by a length equal to Δ x by pushing the block to the left. ADDITION AND SUBTRACTION OF VECTORS Addition and Subtraction of Vectors Figure 1, below, shows two vectors on a plane. To add the two vectors, translate one of the vectors so that the terminal point of one vector coincides with the starting point of the second vector and the sum is a vector whose starting point is the starting point of the first vector and the terminal point is the terminal point of the second vector as shown in SERIES AND PARALLEL RESISTORS The two resistors that are in series are grouped as Req1 in the equivalent circuit below and their resistance is given by the sum. Req1 = 100 + 400 = 500 Ω. The two resistors that are in parallel are grouped as Req2 in the equivalent circuit below and their resistance is given by the equation. 1 / OHM'S LAW WITH EXAMPLES Example 1. Find the current I through a resistor of resistance R = 2 Ω if the voltage across the resistor is 6 V. Solution to Example 1. Substitute R by 2 and V by 6 in Ohm's law V = R I. 6 = 2 I. Solve for I. I = 6 / 2 = 3 A. Example 2. In the circuit below resistors R1 andR2 are
TOTAL INTERNAL REFLECTION OF LIGHT RAYS AT AN INTERFACE Total Internal Reflection. Let a ray of light being incident through a medium of refractive index n 1 = 1.1 onto a medium of refractive index n 2 = 1.0. Let i be the angle of incidence and t being the angle of refraction.. According to Snell's law we can write n 1 sin(i) = n 2 sin(t) Solve for t to obtain t = arcsin Let us make a table of values including different PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. MOTION PROBLEMS, QUESTIONS WITH SOLUTIONS AND TUTORIALS Free questions and problems related to the SAT test and tutorials on rectilinear motion with either uniform velocity or uniform acceleration are included. The concepts of displacement, distance, velocity, speed, acceleration are thoroughly discussed. Problems, questions and examples are presented with solutions and detailedexplanations.
COMPONENTS OF A FORCE IN A SYSTEM OF COORDINATES Components of a Force. Being a vector, a force can be represented by its components like any vector. One of the main advantage of resolving forces into their components, is that it is easy to add them, to scalar multiply them, etc. ADDITION AND SUBTRACTION OF VECTORS Addition and Subtraction of Vectors Figure 1, below, shows two vectors on a plane. To add the two vectors, translate one of the vectors so that the terminal point of one vector coincides with the starting point of the second vector and the sum is a vector whose starting point is the starting point of the first vector and the terminal point is the terminal point of the second vector as shown in LINEAR MOMENTUM AND COLLISIONS, QUESTIONS AND EXAMPLES Linear Momentum and Collisions. Free tutorials on linear momentum with questions and problems with detailed solutions and examples. The concepts of momentum, impulse and force, conservation of momentum, elastic and inelastic collisions are discussed through examples, questions with solutions and clear and self explanatory diagrams. ELECTROSTATIC PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Problem 7: The distance between two charges q 1 = + 2 μC and q 2 = + 6 μC is 15.0 cm. Calculate the distance from charge q 1 to the points on the line segment joining the two charges where the electric field is zero. Solution to Problem 7: At a distance x from q1 the total electric filed is the vector sum of the electric E 1 from due to q 1 and directed to the right and the electric field E GRAVITY PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Gravity Problems with Solutions and Explanations. Gravity, problems are presented along with detailed solutions. Problem 1: An object is dropped, with no initial velocity, above the surface of planet Big Alpha and falls 13.5 meters in 3 seconds. The radius of planet Big Alpha is 5.82×10 6 meters. a) What is the acceleration of the falling OHM'S LAW WITH EXAMPLES Example 1. Find the current I through a resistor of resistance R = 2 Ω if the voltage across the resistor is 6 V. Solution to Example 1. Substitute R by 2 and V by 6 in Ohm's law V = R I. 6 = 2 I. Solve for I. I = 6 / 2 = 3 A. Example 2. In the circuit below resistors R1 andR2 are
VECTOR DIRECTION AND BEARING Magnetic Compass Magnetic compass was used by sailors to give directions.Using the four cardinal points of a compass, a direction is given as an angle of rotation from one one cardinal to another. Examples are given in figure 2 below. Example on the left, the direction "W 30° N" is the angle of rotation of 30°, from West toNorth.
TOTAL INTERNAL REFLECTION OF LIGHT RAYS AT AN INTERFACE Total Internal Reflection. Let a ray of light being incident through a medium of refractive index n 1 = 1.1 onto a medium of refractive index n 2 = 1.0. Let i be the angle of incidence and t being the angle of refraction.. According to Snell's law we can write n 1 sin(i) = n 2 sin(t) Solve for t to obtain t = arcsin Let us make a table of values including different PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSFREE PHYSICS SAT AND AP PRACTICE TESTS QUESTIONS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. Physics concepts are clearly discussed and highlighted. Real life applications are also included as they show how these concepts in PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONS SAMPLE 1 Free SAT II Physics Practice Questions with Solutions. Sample 1. Sat Physics subject questions, with answers, similar to the questions in the SAT test are presented. The answers are at the bottom of the page and the detailed solutions are also included. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem1
APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
LINEAR MOMENTUM QUESTIONS WITH SOLUTIONS A) The two objects have momenta with equal magnitudes. B) The magnitude of the momentum of A is greater than the magnitude of the momentum of B. C) The magnitude of the momentum of A is smaller than the magnitude of the momentum of B. D) The two objects have equal masses. E) Mass of object A is smaller than mass of object B. SERIES AND PARALLEL RESISTORS The two resistors that are in series are grouped as Req1 in the equivalent circuit below and their resistance is given by the sum. Req1 = 100 + 400 = 500 Ω. The two resistors that are in parallel are grouped as Req2 in the equivalent circuit below and their resistance is given by the equation. 1 / OPTICS QUESTIONS WITH SOLUTIONS Optics questions with solutions and explanations at the bottom of the page. These questions may be used to practice for the SAT physics test. The questions are about reflection, refraction, critical angle, lenses, reflectors, light rays propagating through different mediums, refractive index of materials, ..etc. . Which of the following is trueabout light?
OHM'S LAW WITH EXAMPLES Example 1. Find the current I through a resistor of resistance R = 2 Ω if the voltage across the resistor is 6 V. Solution to Example 1. Substitute R by 2 and V by 6 in Ohm's law V = R I. 6 = 2 I. Solve for I. I = 6 / 2 = 3 A. Example 2. In the circuit below resistors R1 andR2 are
KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLESSEE MORE ONPROBLEMSPHYSICS.COM
PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSFREE PHYSICS SAT AND AP PRACTICE TESTS QUESTIONS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. Physics concepts are clearly discussed and highlighted. Real life applications are also included as they show how these concepts in PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONS SAMPLE 1 Free SAT II Physics Practice Questions with Solutions. Sample 1. Sat Physics subject questions, with answers, similar to the questions in the SAT test are presented. The answers are at the bottom of the page and the detailed solutions are also included. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem1
APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
LINEAR MOMENTUM QUESTIONS WITH SOLUTIONS A) The two objects have momenta with equal magnitudes. B) The magnitude of the momentum of A is greater than the magnitude of the momentum of B. C) The magnitude of the momentum of A is smaller than the magnitude of the momentum of B. D) The two objects have equal masses. E) Mass of object A is smaller than mass of object B. SERIES AND PARALLEL RESISTORS The two resistors that are in series are grouped as Req1 in the equivalent circuit below and their resistance is given by the sum. Req1 = 100 + 400 = 500 Ω. The two resistors that are in parallel are grouped as Req2 in the equivalent circuit below and their resistance is given by the equation. 1 / OPTICS QUESTIONS WITH SOLUTIONS Optics questions with solutions and explanations at the bottom of the page. These questions may be used to practice for the SAT physics test. The questions are about reflection, refraction, critical angle, lenses, reflectors, light rays propagating through different mediums, refractive index of materials, ..etc. . Which of the following is trueabout light?
OHM'S LAW WITH EXAMPLES Example 1. Find the current I through a resistor of resistance R = 2 Ω if the voltage across the resistor is 6 V. Solution to Example 1. Substitute R by 2 and V by 6 in Ohm's law V = R I. 6 = 2 I. Solve for I. I = 6 / 2 = 3 A. Example 2. In the circuit below resistors R1 andR2 are
KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLESSEE MORE ONPROBLEMSPHYSICS.COM
PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. Physics concepts are clearly discussed and highlighted. Real life applications are also included as they show how these concepts in PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. FREE SAT II PHYSICS DETAILED SOLUTIONSSAMPLE 1
Free SAT II Physics Detailed Solutions. Sample 1. Solutions to the sat physics problems with detailed explanations. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. What is the magnitude of the average velocity of the particle? A) 700 cm/s. B) ELECTROSTATIC PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Problem 7: The distance between two charges q 1 = + 2 μC and q 2 = + 6 μC is 15.0 cm. Calculate the distance from charge q 1 to the points on the line segment joining the two charges where the electric field is zero. Solution to Problem 7: At a distance x from q1 the total electric filed is the vector sum of the electric E 1 from due to q 1 and directed to the right and the electric field E COMPONENTS OF A FORCE IN A SYSTEM OF COORDINATES Components of a Force. Being a vector, a force can be represented by its components like any vector. One of the main advantage of resolving forces into their components, is that it is easy to add them, to scalar multiply them, etc. KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLES Kirchhoff's's Law of Current. Kirchhoff's law of current states that the algebraic sum of all current at any node (or junction) in an electrical circuit is equal to zero or equivalently the sum of the currents flowing into a node is equal to the sum of the currents flowing out of that node. \ At the node \( N \) above, we may write \( i_1 + i_2 = i_3 + i_4 \) SOLUTIONS TO FREE SAT II PHYSICS PRACTICE QUESTIONS ENERGY E) 2 w. Solution - Explanations. work needed to lift the box. work = weight * height = 200 * 10 * 20 = 40,000 j. power = work / time = 40,000 / 20 = 2000 watts. A ball is thrown upward at time t1 from the top of a building. At time t2 it reaches a maximum height and headsdownward.
DC KIRCHHOFF'S EQUATIONS SOLVER AND CALCULATOR An online calculator to solve Kirchhoff's equations in a dc circuit is presented. The calculator accepts any number of equations. The outputs are the values of all currents in the given circuit. NUMERICAL APERTURE OF OPTICAL FIBERS What is the Numerical Aperture of an Optical Fiber? The optical fiber system shown below has a core of refractive index n 1 and a cladding of refractive index n 2 such that n 1 > n 2.For a light ray to be internally reflected at the core - cladding interface, the angle onincidence θ
REFRACTION AND CRITICAL ANGLES CALCULATOR A calculator that uses Snell's law to calculate the angle of refraction and the critical angle for total internal reflection is presented. One of the most important parameters that measures optical properties of a medium is the index of refraction (or refractiveindex).
PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSFREE PHYSICS SAT AND AP PRACTICE TESTS QUESTIONS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. Physics concepts are clearly discussed and highlighted. Real life applications are also included as they show how these concepts in PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONS SAMPLE 1 Free SAT II Physics Practice Questions with Solutions. Sample 1. Sat Physics subject questions, with answers, similar to the questions in the SAT test are presented. The answers are at the bottom of the page and the detailed solutions are also included. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem1
APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
LINEAR MOMENTUM QUESTIONS WITH SOLUTIONS A) The two objects have momenta with equal magnitudes. B) The magnitude of the momentum of A is greater than the magnitude of the momentum of B. C) The magnitude of the momentum of A is smaller than the magnitude of the momentum of B. D) The two objects have equal masses. E) Mass of object A is smaller than mass of object B. SERIES AND PARALLEL RESISTORS The two resistors that are in series are grouped as Req1 in the equivalent circuit below and their resistance is given by the sum. Req1 = 100 + 400 = 500 Ω. The two resistors that are in parallel are grouped as Req2 in the equivalent circuit below and their resistance is given by the equation. 1 / OHM'S LAW WITH EXAMPLES Example 1. Find the current I through a resistor of resistance R = 2 Ω if the voltage across the resistor is 6 V. Solution to Example 1. Substitute R by 2 and V by 6 in Ohm's law V = R I. 6 = 2 I. Solve for I. I = 6 / 2 = 3 A. Example 2. In the circuit below resistors R1 andR2 are
OPTICS QUESTIONS WITH SOLUTIONS Optics questions with solutions and explanations at the bottom of the page. These questions may be used to practice for the SAT physics test. The questions are about reflection, refraction, critical angle, lenses, reflectors, light rays propagating through different mediums, refractive index of materials, ..etc. . Which of the following is trueabout light?
KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLESSEE MORE ONPROBLEMSPHYSICS.COM
PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSFREE PHYSICS SAT AND AP PRACTICE TESTS QUESTIONS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. Physics concepts are clearly discussed and highlighted. Real life applications are also included as they show how these concepts in PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONS SAMPLE 1 Free SAT II Physics Practice Questions with Solutions. Sample 1. Sat Physics subject questions, with answers, similar to the questions in the SAT test are presented. The answers are at the bottom of the page and the detailed solutions are also included. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem1
APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
LINEAR MOMENTUM QUESTIONS WITH SOLUTIONS A) The two objects have momenta with equal magnitudes. B) The magnitude of the momentum of A is greater than the magnitude of the momentum of B. C) The magnitude of the momentum of A is smaller than the magnitude of the momentum of B. D) The two objects have equal masses. E) Mass of object A is smaller than mass of object B. SERIES AND PARALLEL RESISTORS The two resistors that are in series are grouped as Req1 in the equivalent circuit below and their resistance is given by the sum. Req1 = 100 + 400 = 500 Ω. The two resistors that are in parallel are grouped as Req2 in the equivalent circuit below and their resistance is given by the equation. 1 / OHM'S LAW WITH EXAMPLES Example 1. Find the current I through a resistor of resistance R = 2 Ω if the voltage across the resistor is 6 V. Solution to Example 1. Substitute R by 2 and V by 6 in Ohm's law V = R I. 6 = 2 I. Solve for I. I = 6 / 2 = 3 A. Example 2. In the circuit below resistors R1 andR2 are
OPTICS QUESTIONS WITH SOLUTIONS Optics questions with solutions and explanations at the bottom of the page. These questions may be used to practice for the SAT physics test. The questions are about reflection, refraction, critical angle, lenses, reflectors, light rays propagating through different mediums, refractive index of materials, ..etc. . Which of the following is trueabout light?
KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLESSEE MORE ONPROBLEMSPHYSICS.COM
PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. Physics concepts are clearly discussed and highlighted. Real life applications are also included as they show how these concepts in PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. FREE SAT II PHYSICS DETAILED SOLUTIONSSAMPLE 1
Free SAT II Physics Detailed Solutions. Sample 1. Solutions to the sat physics problems with detailed explanations. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. What is the magnitude of the average velocity of the particle? A) 700 cm/s. B) ELECTROSTATIC PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Problem 7: The distance between two charges q 1 = + 2 μC and q 2 = + 6 μC is 15.0 cm. Calculate the distance from charge q 1 to the points on the line segment joining the two charges where the electric field is zero. Solution to Problem 7: At a distance x from q1 the total electric filed is the vector sum of the electric E 1 from due to q 1 and directed to the right and the electric field E COMPONENTS OF A FORCE IN A SYSTEM OF COORDINATES Components of a Force. Being a vector, a force can be represented by its components like any vector. One of the main advantage of resolving forces into their components, is that it is easy to add them, to scalar multiply them, etc. KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLES Kirchhoff's's Law of Current. Kirchhoff's law of current states that the algebraic sum of all current at any node (or junction) in an electrical circuit is equal to zero or equivalently the sum of the currents flowing into a node is equal to the sum of the currents flowing out of that node. \ At the node \( N \) above, we may write \( i_1 + i_2 = i_3 + i_4 \) SOLUTIONS TO FREE SAT II PHYSICS PRACTICE QUESTIONS ENERGY E) 2 w. Solution - Explanations. work needed to lift the box. work = weight * height = 200 * 10 * 20 = 40,000 j. power = work / time = 40,000 / 20 = 2000 watts. A ball is thrown upward at time t1 from the top of a building. At time t2 it reaches a maximum height and headsdownward.
DC KIRCHHOFF'S EQUATIONS SOLVER AND CALCULATOR An online calculator to solve Kirchhoff's equations in a dc circuit is presented. The calculator accepts any number of equations. The outputs are the values of all currents in the given circuit. NUMERICAL APERTURE OF OPTICAL FIBERS What is the Numerical Aperture of an Optical Fiber? The optical fiber system shown below has a core of refractive index n 1 and a cladding of refractive index n 2 such that n 1 > n 2.For a light ray to be internally reflected at the core - cladding interface, the angle onincidence θ
REFRACTION AND CRITICAL ANGLES CALCULATOR A calculator that uses Snell's law to calculate the angle of refraction and the critical angle for total internal reflection is presented. One of the most important parameters that measures optical properties of a medium is the index of refraction (or refractiveindex).
PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSFREE PHYSICS SAT AND AP PRACTICE TESTS QUESTIONS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. Physics concepts are clearly discussed and highlighted. Real life applications are also included as they show how these concepts in PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. ELECTROSTATIC PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Problem 7: The distance between two charges q 1 = + 2 μC and q 2 = + 6 μC is 15.0 cm. Calculate the distance from charge q 1 to the points on the line segment joining the two charges where the electric field is zero. Solution to Problem 7: At a distance x from q1 the total electric filed is the vector sum of the electric E 1 from due to q 1 and directed to the right and the electric field E OHM'S LAW WITH EXAMPLES Example 1. Find the current I through a resistor of resistance R = 2 Ω if the voltage across the resistor is 6 V. Solution to Example 1. Substitute R by 2 and V by 6 in Ohm's law V = R I. 6 = 2 I. Solve for I. I = 6 / 2 = 3 A. Example 2. In the circuit below resistors R1 andR2 are
TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem1
SERIES AND PARALLEL RESISTORS The two resistors that are in series are grouped as Req1 in the equivalent circuit below and their resistance is given by the sum. Req1 = 100 + 400 = 500 Ω. The two resistors that are in parallel are grouped as Req2 in the equivalent circuit below and their resistance is given by the equation. 1 / FORMULAS FOR VECTORS INCLINED PLANES PROBLEMS WITH SOLUTIONSSEE MORE ON PROBLEMSPHYSICS.COM KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLESSEE MORE ONPROBLEMSPHYSICS.COM
APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSFREE PHYSICS SAT AND AP PRACTICE TESTS QUESTIONS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. Physics concepts are clearly discussed and highlighted. Real life applications are also included as they show how these concepts in PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. ELECTROSTATIC PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Problem 7: The distance between two charges q 1 = + 2 μC and q 2 = + 6 μC is 15.0 cm. Calculate the distance from charge q 1 to the points on the line segment joining the two charges where the electric field is zero. Solution to Problem 7: At a distance x from q1 the total electric filed is the vector sum of the electric E 1 from due to q 1 and directed to the right and the electric field E OHM'S LAW WITH EXAMPLES Example 1. Find the current I through a resistor of resistance R = 2 Ω if the voltage across the resistor is 6 V. Solution to Example 1. Substitute R by 2 and V by 6 in Ohm's law V = R I. 6 = 2 I. Solve for I. I = 6 / 2 = 3 A. Example 2. In the circuit below resistors R1 andR2 are
TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem1
SERIES AND PARALLEL RESISTORS The two resistors that are in series are grouped as Req1 in the equivalent circuit below and their resistance is given by the sum. Req1 = 100 + 400 = 500 Ω. The two resistors that are in parallel are grouped as Req2 in the equivalent circuit below and their resistance is given by the equation. 1 / FORMULAS FOR VECTORS INCLINED PLANES PROBLEMS WITH SOLUTIONSSEE MORE ON PROBLEMSPHYSICS.COM KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLESSEE MORE ONPROBLEMSPHYSICS.COM
APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
FORMULAS FOR VECTORS In 2-D, the direction of a vector is defined as an angle that a vector makes with the positive x-axis.Vector (see Fig 2. on the right) is given by . taking into account the signs of Ax and Ay to determine the quadrant where the vector is located.. Operations on Vectors. Addition The addition of vectors and is defined by . More on Vector Addition. FORCES IN PHYSICS, TUTORIALS AND PROBLEMS WITH SOLUTIONS The concepts of forces, friction forces, action and reaction forces, free body diagrams, tension of string, inclined planes, etc. are discussed and through examples, questions with solutions and clear and self explanatory diagrams. Questions to practice for the SAT Physics test on forces are also included with their detailed solutions. OPTICAL LENSES PRINCIPLES AND APPLICATIONS a) First the angle of refraction in medium (2) is larger than the angle of incidence in medium (1). Hence the refractive index of medium (1) is larger than the refractive index of medium (2). As we go from medium (2) to medium (5) the angle of refraction increases. Hence the refractive index decreases from medium (1) to medium (5). LINEAR MOMENTUM AND COLLISIONS, QUESTIONS AND EXAMPLES Linear Momentum and Collisions. Free tutorials on linear momentum with questions and problems with detailed solutions and examples. The concepts of momentum, impulse and force, conservation of momentum, elastic and inelastic collisions are discussed through examples, questions with solutions and clear and self explanatory diagrams. PARALLEL AND PERPENDICULAR VECTORS Question 3 Find the real number k so that the points A(-2 , k), B(2 , 3) and C(2k , -4) are the vertices of a right triangle with right angle at B. Solution to Question 3 ABC is a right triangle at B if and only if vectors BA and BC are perpendicular. And two vectors are perpendicular if and only if their scalar product is equal to zero. Let us first find the components of vectors BA and BC HOOKE'S LAW, EXAMPLES WITH SOLUTIONS Hooke's Law In the diagram below is shown a block attached to a spring. In position (A) the spring is at rest and no external force acts on the block. In position (B) a force F is used to compress the spring by a length equal to Δ x by pushing the block to the left. NEWTON'S LAWS IN PHYSICS Newton's Second Law. The net force F acting on a body is equal to its inertial mass m multiplied by its acceleration a. If the sum of all forces acting on an object is not equal to zero, then that object will accelerate according to the law ∑ F = m a. Since mass m is a scalar, the object will accelerate in the direction of the net force ∑ F. SI PREFIXES USED WITH UNITS IN PHYSICS, CHEMISTRY AND SI Prefixes Used with Units in Physics, Chemistry and Engineering. Below are shown the prefixes (factors) used with units in physics, chemistry and engineering. The symbol, the name, the corresponding factor as well as an example for each prefix are presented. 2 ym = 2 × 10 -24 m = 0.000 000 000 000 000 000 000 002 meters. REFRACTION OF LIGHT RAYS, EXAMPLES AND SOLUTIONS Refraction explains physical phenomena such the appearance of a pen bent inside a glass of water and the separation of white light into different colors such as the rainbow as shown below. Example 3. A ray of light is incident through glass, with refractive index 1.52, on an interface separating glass and water with refractive index 1.32. DC KIRCHHOFF'S EQUATIONS SOLVER AND CALCULATOR An online calculator to solve Kirchhoff's equations in a dc circuit is presented. The calculator accepts any number of equations. The outputs are the values of all currents in the given circuit. PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSFREE PHYSICS SAT AND AP PRACTICE TESTS QUESTIONS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. ELECTROSTATIC PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Problem 7: The distance between two charges q 1 = + 2 μC and q 2 = + 6 μC is 15.0 cm. Calculate the distance from charge q 1 to the points on the line segment joining the two charges where the electric field is zero. Solution to Problem 7: At a distance x from q1 the total electric filed is the vector sum of the electric E 1 from due to q 1 and directed to the right and the electric field E OHM'S LAW WITH EXAMPLES Ohm's Law. Ohm's law states that the voltage V across a conductor of resistance R is proportional to the current I passing through the resistor (see circuit below). TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem1
FORMULAS FOR VECTORS In 2-D, the direction of a vector is defined as an angle that a vector makes with the positive x-axis.Vector (see Fig 2. on the right) is given by . taking into account the signs of Ax and Ay to determine the quadrant where the vector is located.. Operations on Vectors. Addition The addition of vectors and is defined by . More on Vector Addition. SERIES AND PARALLEL RESISTORS Series and parallel resistors in electric circuits examples with detailed solutions are presented. INCLINED PLANES PROBLEMS WITH SOLUTIONSSEE MORE ON PROBLEMSPHYSICS.COM KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLESSEE MORE ONPROBLEMSPHYSICS.COM
APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSFREE PHYSICS SAT AND AP PRACTICE TESTS QUESTIONS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. ELECTROSTATIC PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Problem 7: The distance between two charges q 1 = + 2 μC and q 2 = + 6 μC is 15.0 cm. Calculate the distance from charge q 1 to the points on the line segment joining the two charges where the electric field is zero. Solution to Problem 7: At a distance x from q1 the total electric filed is the vector sum of the electric E 1 from due to q 1 and directed to the right and the electric field E OHM'S LAW WITH EXAMPLES Ohm's Law. Ohm's law states that the voltage V across a conductor of resistance R is proportional to the current I passing through the resistor (see circuit below). TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem1
FORMULAS FOR VECTORS In 2-D, the direction of a vector is defined as an angle that a vector makes with the positive x-axis.Vector (see Fig 2. on the right) is given by . taking into account the signs of Ax and Ay to determine the quadrant where the vector is located.. Operations on Vectors. Addition The addition of vectors and is defined by . More on Vector Addition. SERIES AND PARALLEL RESISTORS Series and parallel resistors in electric circuits examples with detailed solutions are presented. INCLINED PLANES PROBLEMS WITH SOLUTIONSSEE MORE ON PROBLEMSPHYSICS.COM KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLESSEE MORE ONPROBLEMSPHYSICS.COM
APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. FORMULAS FOR VECTORS In 2-D, the direction of a vector is defined as an angle that a vector makes with the positive x-axis.Vector (see Fig 2. on the right) is given by . taking into account the signs of Ax and Ay to determine the quadrant where the vector is located.. Operations on Vectors. Addition The addition of vectors and is defined by . More on Vector Addition. FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONS SAMPLE 1 Sat Physics subject questions, with answers, similar to the questions in the SAT test are presented. The answers are at the bottom of the page and the detailed solutions are also included.. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. HOOKE'S LAW, EXAMPLES WITH SOLUTIONS Hooke's Law In the diagram below is shown a block attached to a spring. In position (A) the spring is at rest and no external force acts on the block. In position (B) a force F is used to compress the spring by a length equal to Δ x by pushing the block to the left. LINEAR MOMENTUM AND COLLISIONS, QUESTIONS AND EXAMPLES Free tutorials on linear momentum with questions and problems with detailed solutions and examples. The concepts of momentum, impulse and force, conservation of momentum, elastic and inelastic collisions are discussed through examples, questions with solutions and FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONSSAMPLE 1The displacement between t = 3 and t = 5 is the total area of the surface between the curve of v and the x axis taking into account that the area of a surface below the axis is negative and the area of a surface above the x axis is positive. PROJECTILE MOTION CALCULATOR AND SOLVER 2 - Projectile Motion Calculator and Solver Given Range, Initial Velocity, and Height Enter the range in meters, the initial velocity V 0 in meters per second and the initial height y 0 in meters as positive real numbers and press "Calculate". The outputs are the initial angle needed to produce the range desired, the maximum height, the time of flight, the range and the equation of the path of PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSFREE PHYSICS SAT AND AP PRACTICE TESTS QUESTIONS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. ELECTROSTATIC PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Problem 7: The distance between two charges q 1 = + 2 μC and q 2 = + 6 μC is 15.0 cm. Calculate the distance from charge q 1 to the points on the line segment joining the two charges where the electric field is zero. Solution to Problem 7: At a distance x from q1 the total electric filed is the vector sum of the electric E 1 from due to q 1 and directed to the right and the electric field E OHM'S LAW WITH EXAMPLES Ohm's Law. Ohm's law states that the voltage V across a conductor of resistance R is proportional to the current I passing through the resistor (see circuit below). TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem
1
SERIES AND PARALLEL RESISTORS Series and parallel resistors in electric circuits examples with detailed solutions are presented. FORMULAS FOR VECTORS In 2-D, the direction of a vector is defined as an angle that a vector makes with the positive x-axis.Vector (see Fig 2. on the right) is given by . taking into account the signs of Ax and Ay to determine the quadrant where the vector is located.. Operations on Vectors. Addition The addition of vectors and is defined by . More on Vector Addition. INCLINED PLANES PROBLEMS WITH SOLUTIONSSEE MORE ON PROBLEMSPHYSICS.COM KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLESSEE MORE ONPROBLEMSPHYSICS.COM
APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALSFREE PHYSICS SAT AND AP PRACTICE TESTS QUESTIONS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. PHYSICS PROBLEMS WITH DETAILED SOLUTIONS AND EXPLANATIONS Physics problems with detailed solutions and thorough explanations are presented. Also physics formulas are included. Problems. Electrostatic Problems with Solutions and Explanations. ELECTROSTATIC PROBLEMS WITH SOLUTIONS AND EXPLANATIONS Problem 7: The distance between two charges q 1 = + 2 μC and q 2 = + 6 μC is 15.0 cm. Calculate the distance from charge q 1 to the points on the line segment joining the two charges where the electric field is zero. Solution to Problem 7: At a distance x from q1 the total electric filed is the vector sum of the electric E 1 from due to q 1 and directed to the right and the electric field E OHM'S LAW WITH EXAMPLES Ohm's Law. Ohm's law states that the voltage V across a conductor of resistance R is proportional to the current I passing through the resistor (see circuit below). TENSION, STRING, FORCES PROBLEMS WITH SOLUTIONS Several problems with solutions and detailed explanations on systems with strings, pulleys and inclined planes are presented. Free body diagrams of forces, forces expressed by their components and Newton's laws are used to solve these problems. Problems involving forces of friction and tension of strings and ropes are also included.. Problem1
SERIES AND PARALLEL RESISTORS Series and parallel resistors in electric circuits examples with detailed solutions are presented. FORMULAS FOR VECTORS In 2-D, the direction of a vector is defined as an angle that a vector makes with the positive x-axis.Vector (see Fig 2. on the right) is given by . taking into account the signs of Ax and Ay to determine the quadrant where the vector is located.. Operations on Vectors. Addition The addition of vectors and is defined by . More on Vector Addition. INCLINED PLANES PROBLEMS WITH SOLUTIONSSEE MORE ON PROBLEMSPHYSICS.COM KIRCHHOFF'S LAW OF CIRCUITS WITH EXAMPLESSEE MORE ONPROBLEMSPHYSICS.COM
APPLICATIONS OF MAGNETIC FIELD Descriptions and explanations of some applications of the concept of magnetic field are presented below. Applications such as electromagnets, AC and DC electric Motors, electric generators, electric transformers, electromagnetic wave propagation, maglev (Magnetic Levitation) and magnetic Resonance Imaging system are alldiscussed.
PHYSICS PROBLEMS WITH SOLUTIONS AND TUTORIALS Physics problems with solutions and tutorials with full explanations are included. More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. FORMULAS FOR VECTORS In 2-D, the direction of a vector is defined as an angle that a vector makes with the positive x-axis.Vector (see Fig 2. on the right) is given by . taking into account the signs of Ax and Ay to determine the quadrant where the vector is located.. Operations on Vectors. Addition The addition of vectors and is defined by . More on Vector Addition. FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONS SAMPLE 1 Sat Physics subject questions, with answers, similar to the questions in the SAT test are presented. The answers are at the bottom of the page and the detailed solutions are also included.. A particle moves 80 cm South in 0.12 seconds and then 60 cm West in 0.08 seconds. LINEAR MOMENTUM AND COLLISIONS, QUESTIONS AND EXAMPLES Free tutorials on linear momentum with questions and problems with detailed solutions and examples. The concepts of momentum, impulse and force, conservation of momentum, elastic and inelastic collisions are discussed through examples, questions with solutions and HOOKE'S LAW, EXAMPLES WITH SOLUTIONS Hooke's Law In the diagram below is shown a block attached to a spring. In position (A) the spring is at rest and no external force acts on the block. In position (B) a force F is used to compress the spring by a length equal to Δ x by pushing the block to the left. FREE SAT II PHYSICS PRACTICE QUESTIONS WITH SOLUTIONSSAMPLE 1The displacement between t = 3 and t = 5 is the total area of the surface between the curve of v and the x axis taking into account that the area of a surface below the axis is negative and the area of a surface above the x axis is positive. PROJECTILE MOTION CALCULATOR AND SOLVER 2 - Projectile Motion Calculator and Solver Given Range, Initial Velocity, and Height Enter the range in meters, the initial velocity V 0 in meters per second and the initial height y 0 in meters as positive real numbers and press "Calculate". The outputs are the initial angle needed to produce the range desired, the maximum height, the time of flight, the range and the equation of the path of
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