If a freely falling body covers half of its total distance in the last second of its journey, Find its time of fall.

Explanation

Suppose t is the time of free fall.
`h=1/2 g t^2` …(1)
`h/2 =1/2 g (t-1)^2` …(2)
Solving 1,2 `t=(2+sqrt2)s`
Since `2-sqrt2` is not acceptable.