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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A bomb of mass 3.0 kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg. The smaller mass goes at a speed of 80 m/s. The total energy imparted to the two fragments is

Answer: (D)

Solution

By conservation of momentum, m₁v₁ = m₂v₂ ⟹ (2.0)v₂ = (1.0)(80) ⟹ v₂ = 40 m/s (for the

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Question ID VK-153943