explay 2 40 A ball of mass 3 kg collides with a wall with

Last updated: 6/1/2023

explay 2 40 A ball of mass 3 kg collides with a wall with velocity 10 m sec at an angle of 30 and after collision reflects at the same angle with the same speed The change in momentum of ball in MKS unit is 1 20 30 3 15 4 45 Centre of Mass