50 A small ball on a frictionless horizontal surface moves

Last updated: 6/11/2023

50 A small ball on a frictionless horizontal surface moves towards right with a velocity v It collides with the wall and B returns back and continues to and fro motion If the average speed for first to and fro motion of the ball is 2d 9 3 u then the coefficient of restitution of impact is a 0 5 b 0 8 c 0 25 d 0 75 A m V