JEE Main Physics question
A bullet of mass 10 gm is fired from a gun of mass 1 kg. If the recoil velocity is 5 m/s, the velocity of the muzzle (bullet) is
Answer: (D)
Solution
By conservation of momentum: × = × ⟹ 0.01 × = 1 × 5 ⟹ = 500 m/s.
A bullet of mass 10 gm is fired from a gun of mass 1 kg. If the recoil velocity is 5 m/s, the velocity of the muzzle (bullet) is
By conservation of momentum: × = × ⟹ 0.01 × = 1 × 5 ⟹ = 500 m/s.