A ball of mass m is just disturbed from the top of a fixed smooth circular tube in a vertical plane
Channel: Doubtnut
Date: 2021-11-02

A ball of mass m is just disturbed from the top of a fixed smooth circular tube in a vertical plane and falls impinging on a ball of mass 2 m at the bottoom. The coefficient of restituion is `1//2`. Find the heights to which the balls rise after a second impact.