Question

3. Give an example of a motion in which average velocity is zero but average speed is not zero
4. A stone is thrown in a vertically upward direction with a velocity of 8m/s. If The acceleration
of the stone during its motion is 10m/s square in the downward direction What will be the
height attained by the stone and how much time will it take to reach there? (3)​

Answer 1

Answer:

3.a boy running around a circular track and came back to inititial position

4.(amswer is in the pic attached)