4 24 A series of N identical balls are at rest on a smooth

Last updated: 6/19/2023

4 24 A series of N identical balls are at rest on a smooth horizontal surface The number 1 ball moves with velocity u towards the ball number 2 which in turn collides with the ball number 3 and so on Find the speed of Nth ball if the coefficient of restitution for each impact is e Ans u 1 e N 1 2N 1