A rubber ball drops from a height 'h'. After rebounding twice from the ground, it rises to `h//2`. The co-efficient of restitution is

Options

A. `(1)/(2)`
B. `((1)/(2))^(1//2)`
C. `((1)/(2))^(1//4)`
D. `((1)/(2))^(1//6)`

Answer

C

Explanation

`h_(n) = e^(2n) g`.