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Question

A body covers some distance along a curved path. Can it have a zero average velocity?

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Solution

Average velocity is defined as the ratio of total displacement by total time taken.
As average velocity depends on displacement and displacement can be zero if the object returns to initial position .

In this case, if the body moves along the curve in a circular path and reaches the starting point or initial position, the displacement is zero as source and destination is same. So the average velocity is zero.

Hence the body can have zero average velocity.

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