Your pet hamster sits on a record player whose angular speed is constant. If he moves to a point twice as far from the center, then his linear speed
A) doubles.
B) remains the same.
C) halves.

Question

Quizplus · Accepted Answer

The linear speed (v) of an object moving in a circular path is given by v = rω, where r is the radius (distance from the center) and ω is the angular speed. If the hamster moves to a point twice as far from the center, r doubles, and since ω remains constant, the linear speed doubles.

Your Pet Hamster Sits on a Record Player Whose Angular