A body of mass `3kg` hits a wall at an angle of `60^(@)` and with speed of `10 m//s` and returns at
Channel: Doubtnut
Date: 26/01/2020

A body of mass `3kg` hits a wall at an angle of `60^(@)` and with speed of `10 m//s` and returns at the same angle. The impact time is `0.2 sec`. Calculate force exterted on the wall