Question

please answer these questions veryyyyyyy urgenttttttt
1}can a body have zero velocity and still be accelerating? If yes, give any situation.
2} a hiker stands on the edge of a cliff 490 m above the ground and drops a Stone . find the time taken by the stone to reach the ground and speed with which it hits the ground . (g=9.8ms-2)
3} a ball is thrown upward with a speed of 49 ms-1and at the same time another ball is dropped from the top of a tower of height 100 metre . then after how much time they will meet each other and what are the position of the stones?

Answer 1

yes the body can get zero velocity if the displacement is zero.

Answer 2

yes the body can get zero velocity if the displacement is zero.