Question

7. Can the average speed of a moving body be zero?​

Answer 1

Answer:   no

Explanation:

Explanation: Average speed for a moving body will never be zero. As DISTANCE is the path travelled by an object, so DISTANCE cannot be zero. HENCE average speed will never be zero.

Answer 2

Yes, average velocity of a moving body can be zero. Average velocity is displacement by time. So for example, if you are travelling in a circle, and come back to your initial point, displacement is zero.
Hope it helps you..