defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 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
5
2
6
3
8
4
Zero