506 Answered Questions for the topic AP physics

Ap Physics Physics

03/01/21

physics homework help
The hour and minute hands of Big Ben in London are 2.74 m and 4.45 m long and have masses of 57 kg and 103 kg respectively. a) Calculate the total angular momentum of the minute hand about the... more
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Ap Physics Physics

02/27/21

Physics homework help
A spherical object (with non-uniform density) of mass 16 kg and radius 0.14 m rolls along a horizontal surface at a constant linear speed without slipping. The moment of inertia of the object about... more
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Ap Physics Science Physics

02/24/21

physics question
A Chevy truck with mass of 1850 kg is rolling along a level roadway at +0.620 m/s. A rope is attached to the rear of the truck and Benjamin applies 265 N of force to the rope to stop the truck... more
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Ap Physics Science Physics

02/22/21

physics question (i don't understand how to do this problem:( )
A proton of mass M collides obliquely with another proton. The first proton is moving with a speed of 6.0 x 106 m/s before it hits the second, stationary proton. Assuming the collision is perfectly... more
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Ap Physics Science Physics

02/22/21

physics question?
A frustrated physics student blew up her Physics textbook using a small amount of explosive. It broke into three pieces, which miraculously flew off in directions that were all in the same plane. A... more
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Ap Physics Science Physics

02/22/21

physics question
In an unsuccessful attempt to send a probe to Mars, the carrier vehicle with a total mass of 533 kg is moving horizontally at 3000 m/s when it explodes and breaks into two parts. One of the parts... more
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Ap Physics Science Physics

02/21/21

physics question
A steel ball of mass 10 kg moves due East at 5.0 m/s. It collides with a rubber ball of mass 5.0 kg moving at 10 m/s due North. After the collision the steel ball moves at an angle of 60° East of... more
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Ap Physics Science Physics

02/21/21

physics question
A 0.40 kg model airplane is traveling 20 km/h toward the south. A 0.50 kg model airplane traveling 25 km/h in a direction 20° east of south collides with the first model airplane. The two planes... more
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02/19/21

Can someone help me with this Physics problem?
A large insulating sphere of radius a carries a total positive charge Q with a uniform volume charge density. A very thin tunnel is drilled through a diameter of the sphere and two small spheres... more
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Ap Physics Physics

02/17/21

Physics Homework Help
A car is designed to get its energy from a rotating flywheel with a radius of 1.82 m and a mass of 687.7 kg. Before a trip, the disk-shaped flywheel is attached to an electric motor, which brings... more
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02/17/21

physics question. please help!

An unstable nucleus of mass 1.7 ✕ 10−26 kg, initially at rest at the origin of a coordinate system, disintegrates into three particles. One particle, having a mass of m1 = 1.8 ✕ 10−27 kg, moves in... more
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Ap Physics Physics

02/17/21

Physics homework help
I've been stuck on this question for a while and don't know how to answer itA 3.5 kg particle moves at a constant speed of 5 m/s around a circle of radius 8 m. a) What is its angular momentum about... more
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02/16/21

A block with mass m1 = 0.450 kg is released from rest on a frictionless track at a distance h1 = 2.85 m above the top of a table.
A block with mass m1 = 0.450 kg is released from rest on a frictionless track at a distance h1 = 2.85 m above the top of a table. It then collides elastically with an object having... more
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02/16/21

An unstable nucleus of mass 1.7 ✕ 10−26 kg, initially at rest at the origin of a coordinate system, disintegrates into three particles.

An unstable nucleus of mass 1.7 ✕ 10−26 kg, initially at rest at the origin of a coordinate system, disintegrates into three particles. One particle, having a mass of m1 = 1.8 ✕ 10−27 kg, moves in... more
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Ap Physics Physics

02/15/21

Physics Bullet question with sum of work
A bullet A of mass m has an initial velocity v0 (vee nought). It strikes a block B (initially at rest on a smooth surface) and completely penetrates the block, emerging from the block with a... more
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02/15/21

Energy and work problem
A 40 kg body starting from rest falls through a vertical distance of 0.25m to the ground, using energy methods,a) determine its kinetic energy just before it hits the ground,b) determine its... more
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Ap Physics Physics

02/10/21

Rotational Statistics- Physics
AHHH I've been at this question for literally a DAY and I still can't figure it out. PLEASE HELP!!A 0.119 kg meterstick is supported at its 33 cm mark by a string attached to the ceiling. A 0.695... more
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Ap Physics Physics

02/10/21

Physics homework help
AHHH I've been at this question for literally a DAY and I still can't figure it out. PLEASE HELP!!A 0.119 kg meterstick is supported at its 33 cm mark by a string attached to the ceiling. A 0.695... more
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Ap Physics Physics

02/10/21

Rotational Statistics- Physics
I've been at this question for hours and I can't figure it out, PLEASE HELP!A 380.5 N child and a 259.3 N child sit on either end of a 2.9 m long seesaw.a) How far from the 380.5 N child should the... more
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Ap Physics Physics

02/09/21

I really need help with my physics homework
I've been at this question for hours and I can't figure it out, PLEASE HELP!A 380.5 N child and a 259.3 N child sit on either end of a 2.9 m long seesaw.a) How far from the 380.5 N child should the... more
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Ap Physics Math Physics

02/09/21

Mass-spring system
A force of 16 N is required to stretch a spring a distance of 0.40m from its rest position. What force is required to stretch the same spring: (a) Twice the distance? (b) Three times the... more
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Ap Physics Physics

02/08/21

Rotational Statics- Physics
A wheel of diameter 70 cm has an axle of diameter 8 cm. A force of 130 N is exerted along the rim of the wheel. What force should be applied to the outside of the axle in order to prevent the wheel... more
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Ap Physics Science Physics

02/08/21

I'm so confused how to do this physics question
A 2.0 g particle moving at a speed of 8.9 m/s makes a perfectly elastic head-on collision with a resting 1.0 g object.a) Find the speed of each particle after the collision.b) Find the speed of... more
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Ap Physics Science Physics

02/08/21

physics question
At an amusement park, a 96 kg bumper car moving with a speed of 1.24 m/s bounces elastically off a 135 kg bumper car that is initial at rest. Find the final velocities of the two cars.
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Ap Physics Math Science Physics

02/05/21

Momentum/Impulse
Two objects, A and B, initially at rest, are “exploded” apart by the release of a coiled spring that was compressed between them.As they move apart, the velocity of object A is 5 m/s and the... more
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