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Question

What is the average velocity of a body that moves three complete rounds in a circular path of radius r in time T?



A

2πrT

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B

0

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C

2πr3T

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D

6πrT

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Solution

The correct option is B

0


A complete round in a circular path means the displacement of the body is zero.

Thus, the average velocity which is the ratio of displacement to time will be zero.


Physics

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