A ball of mass 250 g moving with 20 m s strikes a vertical

Last updated: 6/10/2023

A ball of mass 250 g moving with 20 m s strikes a vertical wall and rebounds along the same line with a velocity of 15 m s If the time of contact is 0 1 s the force exerted by the wall on the ball is A 87 5 N B 12 5 N C 12 5 N L 87 5 N