A body freely falling from a certain height 'h' , after striking a smooth floor rebounds and h rises to a height h /2 . What is the coefficient of restitution between the floor and the body ?

Explanation

`h_(1) = h, h_(2) = (h)/(2)`
`= sqrt((h_(2))/(h_(1)))= sqrt(((h)/(2))/(h))= (1)/(sqrt(2))`