Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Center of Mass and Linear Momentum Centre of mass
Two bodies of 2 kg & 4 kg are moving with velocities 20 m/s and 10 m/s respectively towards each other under mutual gravitational attraction. Find the velocity of their centre of mass in m/s.
1
0
2
6
3
8
4
More than one of the above
5
None of the above