9 Answered Questions for the topic A.P. Physics

A.p. Physics

12/16/19

#### An object begins moving at x= 0 from rest in the positive x direction with constant acceleration. It travels D meters in T seconds. Its final speed is V meters per second.

What is the position x of the object at time t= 12 T? Express your answer in terms of D.(The answer is D/4 I just don't know how to get there)
A.p. Physics

12/12/19

#### A 60 N force is applied horizontally to an object that is accelerated on a frictionless horizontal surface. The mass of the object is 14 kg

(a) if the object starts from rest and the force is applied for 9.0 s then how much work is done by the force?(b) if the object starts from rest and the force is applied until the object's velocity... more
A.p. Physics

12/01/19

#### Satellite A of mass m orbits a planet of mass M at a distance of R from the center of the planet. The speed of the satellite is v. Answer in terms of m, M, R and v.

Satellite B has mass m and orbits a planet of mass M. What should satellite B's orbital radius be so that its period is 8 times that of satellite A?(The answer is 4 R I just don't know how to get... more
A.p. Physics

11/30/19

#### Satellite A of mass m orbits a planet of mass M at a distance of R from the center of the planet. The speed of the satellite is v. Answer in terms of m, M, R and v.

What is the speed of a satellite B whose mass is 2 m? The distance from the center of the planet to the satellite B is R and the mass of the planet is M. (The answer is v I just don't know how to... more
A.p. Physics

11/30/19

#### A ball of mass M attached to a string of length L moves in a vertical plane counterclockwise.At the top of the circular path, the tension in the string is twice the weight of the ball....

At the bottom, the ball just clears the ground. Air resistance is negligible. Express all answers in terms of M, L and g. (a) Determine the magnitude and direction of the net force on the ball... more
A.p. Physics

11/29/19

#### Satellite A of mass m orbits a planet of mass M at a distance of R from the center of the planet. The speed of the satellite is v. Answer in terms of m, M, R and v.

(a) What is the speed of a satellite B whose mass is 2 m? The distance from the center of the planet to the satellite B is R and the mass of the planet is M. (The answer is v I just don't know... more
A.p. Physics

11/29/19

#### The coefficient of static friction for a stone on a turntable is .32. The stone is .35 m from the center of the turntable.

What is the maximum speed with which the stone can travel before it begins to slide on the turntable? (The answer is 1.0 m/s I just don't know how to get there)
A.p. Physics

11/29/19

#### An object of mass m moves in a circular path at constant speed v. The centripetal force on the object is F. If the object had double the mass and 1/4 the speed

then the magnitude of the centripetal force on the object would be ____. answer in terms of F. (the answer is 1/8 F I just don't know how to get there)

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