A sphere falls on a stationary horizontal plane from some height, after bouncing off the surface it comes back to the plane again after 1 s. if the coefficient of restitution is 1/4 find the initial height from which the sphere had fallen.

A sphere falls on a stationary horizontal plane from some height, afte

1.	A sphere falls on a stationary horizontal plane from some height, after bouncing off the surface it comes back to the plane again after 1 s. if the coefficient of restitution is 1/4 find the initial height from which the sphere had fallen.
Answer» ANSWER :19.6 m