Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Engineering Mechanics Kinematics and Kinetics
A body of mass 5 kg moving with a velocity 10 m/s collides with another body of mass 20 kg at rest and comes to rest. The velocity of the second body after the collision is
1
2.5 m/s
2
5 m/s
3
7.5 m/s
4
More than one of the above
5
None of the above