Question

give an example of a body whose avg speed is zero​

Answer 1

Answer:

Explanation:

When the body returns back to initial point, e.g., when an athlete returns back to starting point, his average velocity is zero.

Answer 2

Displacement can be zero if a body is travelling in a circle. This is because the distance covered by the body from the initial point to the final point is 0 if its starting and finishing point is same. Hence I conclude that Average speed cannot be 0 but average velocity can be zero.