A solid ball of density  half that of water falls freely under gravity from a height of `20
Channel: Doubtnut
Date: 23/08/2020

A solid ball of density  half that of water falls freely under gravity from a height of `20 m` and then enters water. Up to what depth will the ball go ? How much time will it take to come again to the wate surface ? Neglect air resistance and viscosity effect in water.