A `0.5 kg` ball moving with a speed of `12 m//s` strikes a hard wall at an angle of
Channel: Doubtnut
Date: 2020-01-19

A `0.5 kg` ball moving with a speed of `12 m//s` strikes a hard wall at an angle of `30^(@)` with the wall. It is reflected with the same speed and at the same angle . If the ball is in contact with the wall for `0.25 s`, the average force acting on the wall is