4 A ball of mass m approaches a wall of mass M m with speed

Last updated: 6/9/2023

4 A ball of mass m approaches a wall of mass M m with speed 4 m s along the normal to the wall The speed of wall is 1 m s towards the ball The speed of the ball after an elastic collision with the wall is a 5 m s away from the wall b 9 m s away from the wall c 3 m s away from the wall 6 m s away from the wall dys