Physics

Solution Library


Multiple Choice Question: Swinging Pendulum

 Question   A pendulum of length L swings with an amplitude θ and a frequency f as shown above. Which of the following statements is true about the swinging pendulum?   I. The greatest restoring force and the greatest velocity occur at the same point. II. The greatest re ... Read More

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Multiple Choice Question: The amplitude of the harmonic motion

Question The equation which describes the motion of a mass oscillating on an ideal spring is x = 6 cos 3t where x is in centimeters and t is in seconds.   The amplitude of the harmonic motion is (A) 3 cm (B) 6 cm (C) 9 cm (D) 18 cm (E) 30 cm           &n ... Read More

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Multiple Choice Question: Distance traveled by the mass during one full oscillation

Question The equation which describes the motion of a mass oscillating on an ideal spring is x = 6 cos 3t where x is in centimeters and t is in seconds.   The total distance traveled by the mass during one full oscillation is (A) 3cm (B) 6cm (C) 12cm (D) 18cm (E) 24cm     ... Read More

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Multiple Choice Question: Kinetic Energy of the Mass at Point P

Question A mass vibrates on an ideal spring as shown above. The total energy of the spring is 100 J. What is the kinetic energy of the mass at point P, halfway between the equilibrium point and the amplitude? (A)25 J (B)50 J (C)75 J (D)100 J (E)200 J           ... Read More

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Determine the speed of the 0.10 kg block at point B

A small 0.10 kg block starts from rest at point A, which is at a height of 1.0 m. The surface between points A and B and between points C and D is frictionless, but is rough between points B and C, having a coefficient of friction of 0.10. After traveling the distance â„“ = 1.0 m, the small b ... Read More

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Determine the acceleration of the block

Question A small 0.10 kg block starts from rest at point A, which is at a height of 1.0 m. The surface between points A and B and between points C and D is frictionless, but is rough between points B and C, having a coefficient of friction of 0.10. After traveling the distance â„“ = 1.0 m, t ... Read More

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Determine the speed of the block at point C

 Question   A small 0.10 kg block starts from rest at point A, which is at a height of 1.0 m. The surface between points A and B and between points C and D is frictionless, but is rough between points B and C, having a coefficient of friction of 0.10. After traveling the distance â„ ... Read More

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Determine the speed of the block at point C

Question   A small 0.10 kg block starts from rest at point A, which is at a height of 1.0 m. The surface between points A and B and between points C and D is frictionless, but is rough between points B and C, having a coefficient of friction of 0.10. After traveling the distance â„“ = 1. ... Read More

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Determine the spring constant of the spring

Question   A small 0.10 kg block starts from rest at point A, which is at a height of 1.0 m. The surface between points A and B and between points C and D is frictionless, but is rough between points B and C, having a coefficient of friction of 0.10. After traveling the distance â„“ = 1. ... Read More

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How To Find Magnitude And Direction Of Force Experienced By Electron

Question An electron moves at a speed of v = 3 x 10 7 m/s parallel to and a distance d = 10 cm from a conducting wire carrying a current of I = 40 A. If the directions of the electron and current are as shown in the figure, what is the magnitude (in N) and direction of the force experienced by the ... Read More

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Find The Magnitude Of Field Where Proton Moves

Question A proton executes helical motion in a uniform B field at a frequency of 820 kHz. It moves at an angle of 30â—¦ relative to the direction of the field. What is the magnitude of the B field?   ... Read More

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Calculate Energy Required To Rotate Loop From Lowest Energy Position

Question A 5-turn circular loop of wire of radius 23 cm carries a current of 15 A. Its magnetic moment is oriented at an angle 50â—¦ to a uniform magnetic field of 3.7 T. What energy is required to rotate the loop from its lowest energy position to this orientation?   ... Read More

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