A ball thrown up from the ground reaches a maximum height of `20 m` Find:  a. Its initial velocity.
Channel: Doubtnut
Date: 2020-07-26

A ball thrown up from the ground reaches a maximum height of `20 m` Find:  a. Its initial velocity.  b. The time taken to  reach the highest point.  c. Its velocity just before hitting the ground.  d. Its desplacement berween `0.5 m` above the ground.