JEE Main Physics question
A bullet of mass 5 g is shot from a gun of mass 50 kg. The muzzle velocity of the bullet is 5000 cm s⁻¹. The recoil velocity of the gun is [DCE 2004]
Answer: (A)
Solution
By momentum conservation, = ⟹ 0.005×50 = 50× ⟹ = 0.25/50 = 0.5 ms⁻¹.