Question

A ball thrown vertically upwards attains a maximum height of 10m.Intial velocity of the ball is

Answer 1

It is square root of 2gh. And is 14.0 m/ s.

Answer 2

At maximum height v = 0
u = sqrt(2gH)
= sqrt(2 * 9.8 * 10)
= 14 m/s

Initial velocity of ball is 14 m/s