Question

A ball is thown from height h and another from 2h. What is the ratio of the time taken by the 2 balls to reach the ground

Answer 1

S= ut+1/2gt2

Since u=0

S=h= 1/2 gt2

t=square root of 2h/g

Similarly for height 2h t= square root of 4h/g

Ratio will be 1:root2