AP Physics 1 - Circular Motion & Gravitation Review

Front

At the instant shown in the diagram, the car's centripetal acceleration is directed-

Back

toward E

Front

At the position shown in the diagram, which arrow indicates the direction of the instantaneous (tangential) velocity of the cart? Options: A, B, C, D.

Back

C

Front

Bruno the bat flies at a speed of 0.5 m/s in a circle of radius 1 m. What is his acceleration?

Back

0.25 ms^-2

Front

What object experiences uniform circular motion?

Back

A car traveling around a roundabout at a constant speed

Front

A pilot experiences centripetal acceleration of 2g's while maneuvering a loop at a speed of 400 m/s. What is the radius of the loop?

Back

8163 m

Front

The velocity is always _____ to the line of a circle.

Back

tangent

Front

Radius of string: 0.3 meters, Revolutions per second: 5. What is the speed of the stopper? (Hint: C=2πr)

Back

9.4 m/s

Front

The drum of a washing machine rotates 600 times in 1 minute. What is the frequency of the drum?

Back

10 Hz

Front

A car moves in a horizontal circle with a radius of 10 m. The tangential velocity of the car is 30 m/s. What is the car's acceleration?

Back

90 m/s² toward the center

Front

Centripetal acceleration on a 1000-kg car in a turn is 1 x 10⁵ m/s². Radius of turn is 10 m. What is the car's speed?

Back

1000 m/s