Question

A ball is falling from height h .it takes time T to reach half the height is?

Answer 1

Hey
The initial velocity is 0.
Let the time be T sec.
Therefore , we apply 2nd equation of motion.
H/2 = uT + 1/2gT²
H/2 = (0) + 1/2 gT²
T = √H/g

Hope it helps :)