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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A stationary bomb explodes into three pieces. One piece of 2 kg mass moves with a velocity of 8 ms⁻¹ at right angles to one of the other pieces of mass 1 kg moving with a velocity of 12 ms⁻¹. If the mass of the third piece is 0.5 kg, then its velocity is

Answer: (D)

Solution

The two known momenta, 2×8=16 and 1×12=12 kg·ms⁻¹, are mutually perpendicular, so their

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Question ID VK-152882