defence exam Navy SSR (Medical) Mock Test Series 2025 Physics Center of Mass and Linear Momentum Linear Momentum
A ball of 8 kg, moving at 15 m/s, enters a 22 kg spring gun at rest. If the surfaces are frictionless and the spring is massless, determine the gun's speed after the ball stops moving relative to the gun.
1
2 m/s
2
4 m/s
3
6 m/s
4
8 m/s