Question

A body falling freely under gravity covers half the total distancein the last second of its fall .if it falls in n seconds then the value of n is

Answer 1

Answer:

n = t = 2 + √2

Explanation:

h =  1/2 × g × t²

h/2 = 1/2 × g × (t-1)2

∴ t = n = 2 + √2