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The average speed of a moving body can never be zero but the average velocity of a moving body can be zero. Justify.
Asked by mailtoparvathyprajith | 06 Feb, 2024, 09:50: PM

Average speed = ( distance travelled ) / time

Average velocity = ( displacement ) / time

If an object is moving,  then distance travelled will be greater than zero .

Hence average speed is greater than zero.

In the motion of an object displacement can be zero if starting point and ending point are same.

For example moving on a circular track so that starting point and ending point is same.

In this case displacement is zero , while distance travelled equals circumference of circular path.

hence if displacement is zero , then average velocity is zero.

Answered by Thiyagarajan K | 06 Feb, 2024, 10:17: PM

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