Question

explain with the help of an example when average velocity is zero​

Answer 1

Answer:

Explanation:

Average velocity is defined as total displacement by total time.

Hence any case where total displacement is zero can be taken as a case where average velocity is zero.

For example let us consider that a person goes from his house to a market to buy some vegetables. After sometime he returns home. In this case the total displacement is zero and hence average velocity is zero whatever be the time.

Answer 2

Explanation:

Average velocity of a particle is 0 when its displacement is 0 as velocity=displacement/time. But during the path that the body covers (distance) it never comes to rest but keeps moving and changing direction in order to come back to the same point. This way the velocity is never 0.