AP Physics Exam Questions and Correct Answers Latest Update 2024 Already Passed
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AP Physics
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AP Physics
AP Physics Exam Questions and Correct Answers Latest Update 2024 Already Passed
A circular platform of radius 2.0 m is initially spinning with an angular velocity of 8.0 rad/s. The angular velocity is then increased to 10. rad/s as the platform accelerates through 4.0 rad. Assume that the angular...
AP Physics Exam Questions and Correct Answers Latest Update 2024 Already Passed
A circular platform of radius 2.0 m is initially spinning with an angular velocity of 8.0 rad/s. The angular
velocity is then increased to 10. rad/s as the platform accelerates through 4.0 rad. Assume that the
angular acceleration is constant. What is the magnitude of the angular acceleration of the platform? -
Answers 4.5 rad/s^2
The an object that has rotated through an angular measure of 115° has an angular displacement equal
to - Answers 2.01 rad
Given that the frequency of a rotating bicycle tire is 15 Hz, find the angular frequency. - Answers 94
rad/s
A car tire rotating at 30.0 rad/s has gone through how many revolutions in 5.00 s. - Answers 23.9 rev
Find the time required for a turntable to accelerate at a constant rate from rest to an angular velocity of
477 rev/min if it experiences a constant acceleration of 7.94 rad/s^2. - Answers 6.30 s
Sitting in front of a fan on a hot summer day, you can see that the fan blade is moving clockwise. What is
the direction of the fans angular displacement vector? - Answers Away from you
Fixing the brakes on your bicycle, you have the bicycle turned upside down. To test the brakes, you spin
the wheel to a high speed in a clockwise direction from your perspective. As you apply the brakes and
wheel is slowing, what is the direction of the angular acceleration? - Answers Toward you
A prize wheel is spinning in a vertical circle when an acceleration of 2.0 rad/s^2 is applied to the edge of
the wheel for 3.0 s. If the final velocity of the wheel was measured to be 9.0 rad/s, what was the initial
velocity of the wheel? - Answers 3.0 rad/s
A merry-go-round with a radius of 1.5 m is spinning at 2.0 rad/s when a young girl pushes on it for 5.0 s
applying an acceleration of 3.0 rad/s^2. What is the angular displacement of the merry-go-round during
this time? - Answers 48 rad
A car traveling in a straight line at 14 m/s when the driver puts on the brakes and comes to a stop in 35
m. How much time did it take for the car to come to a stop? - Answers 5.0 s
A car traveling down the road at 25.0 m/s has a wheel spinning at 45.0 rad/s. A deer jumps in front of
the car causing the driver to slam on the brakes and slow to 10.0 rad/s in 1.75 s. What is the angular
acceleration of the car? - Answers -20.0 rad/s^2
A car traveling down the road at 25.0 m/s has a wheel spinning at 45.0 rad/s. A deer jumps in front of
the car causing the driver to slam on the brakes and slow to 10.0 rad/s in 1.75 s. What is the angular
displacement of the car assuming that the wheels slow without slipping? - Answers 48.1 rad
, A car traveling down the road at 25.0 m/s has a wheel spinning at 45.0 rad/s. A deer jumps in front of
the car causing the driver to slam on the brakes and slow to 10.0 rad/s in 1.75 s. How many revolutions
does the wheel pass through as it slows down? - Answers 7.66 rev
A bicycle with wheels radius r is traveling with a linear velocity v and an angular velocity w. A second
bicycle has the same angular velocity but has twice the linear velocity. What is the radius of the second
bicycles wheels? - Answers 2r
A rigid body rotates with a constant angular acceleration. Which one of the following statements is true
concerning the tangential acceleration of any point on the body? - Answers It depends on the change in
the angular velocity.
Find the tangential speed of ant on a turntable if the ant is 0.114 m from the axis of rotation and the
turntable is rotating at 6.5 rev/sec. - Answers 4.7 m/s
A 0.010 m radius drill bit rotates with a constant angular velocity of 5.0 rev/s. What is the linear
acceleration of a point on the edge of the drill bit? - Answers 9.9 m/s^2
A pebble is stuck in the treads of a truck tire of radius 0.55 m, turning at an angular speed of 8.0 rad/s as
it rolls on a horizontal surface without slipping. What is the speed of the pebble relative to the road
when it is at the top of the tire? - Answers 8.8 m/s
Given a round object (sphere, disk, hoop for example), doubling only the radius of the object changes its
moment inertia by a factor of: - Answers 4
A hoop with a radius R and a mas M has a momentum of inertia I. What would be the moment of inertia
of a second hoop with the same radius but twice the mass? - Answers 2I
A massless 1.5 m rod connects 2 equal point masses, one at each end of the rod. If the kinetic energy is
36 J when rotating this system at 3 rad/s about an axis perpendicular to the rod through one end of the
rod, what is the value of the moment of inertia of the system? - Answers 8 kgm^2
A solid cylinder with a radius of 10 cm and a mass of 3.0 kg is rotating about its center with an angular
speed of 3.5 rad/s. What is its kinetic energy? (I=½MR^2) - Answers 0.092 J
A 0.350m radius solid cylinder is released from rest and rolls down a ramp inclined 21.0° from
horizontal. The moment of inertia of a solid cylinder is ½ MR2. After the cylinder has rolled a distance of
5.00m find: the speed of the cylinder - Answers 4.84 m/s
A 0.350m radius solid cylinder is released from rest and rolls down a ramp inclined 21.0° from
horizontal. The moment of inertia of a solid cylinder is ½ MR2. After the cylinder has rolled a distance of
5.00m find: the angular velocity of the cylinder - Answers 13.8 rad/s
An object that has experienced a 3.0 radian angular displacement has made how many revolutions? -
Answers 0.48 rev
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