Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Laws of Motion Newton's Laws of Motion
A ball of mass 0.2 kg is moving with a velocity 20 m/s is hit by a bat such that it returns back to the same path with the same velocity. If the ball remains in contact with the bat for 0.02 sec then the force exerted by the bat on the ball is:`
1
4 N
2
40 N
3
400 N
4
4000 N
5
None of the above/More than one of the above.