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Consider a string with several rocks tied along its length at equally spaced intervals. You whirl the string overhead so that the rocks follow circular paths. Compared to a rock in the middle of the string, a rock at the outer end moves

A)

half as fast.

B)

twice as fast.

C)

at the same linear speed.

Answer:  

B

Diff: 2

Topic: Rotational Moti

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