defence exam SSB Head Constable (Communication) 2023 Mock Test Physics Center of Mass and Linear Momentum Conservation of Linear Momentum
A mass initially at rest exploded into two parts of 3 kg and 9 kg. If the speed of 3 kg mass is 18 m/s, find the speed of 9 kg mass.
1
2 m/s
2
36 m/s
3
6 m/s
4
12 m/s