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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A gun fires a bullet of mass 50 g with a velocity of 30 m sec⁻¹. Because of this, the gun is pushed back with a velocity of 1 m sec⁻¹. The mass of the gun is

Answer: (C)

Solution

By conservation of momentum: × = × ⟹ = (50×10⁻³ × 30)/1 = 1.5/1 = 1.5 kg.

Question ID VK-154012