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

A ball of mass m is just disturbed from the top of a fixed smooth circ

1.	A ball of mass m is just disturbed from the top of a fixed smooth circular tube of radius a in a vertical plane and falls impinging on a ball of mass 2m at the bottom. The coefficient of resitution is 1/2. Find the heights to whichthe balls rise after a second impact.
Answer» `(a)/(2), (a)/(8)` `(a)/(2), (a)/(2)` `(a)/(4), (a)/(2)` `(a)/(8), (a)/(8)` ANSWER :A