A 1 kg ball moving with a speed of 20 m/s strikes a hard wall at an angle
Channel: Doubtnut
Date: 24/05/2020

A 1 kg ball moving with a speed of 20 m/s strikes a hard wall at an angle of `30^(@)` with the wall. It is reflected with the same speed at the same angle. If the ball is in contact with the wall for 0.5 seconds, the average force acting on the wall is