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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 8 ms⁻¹ at right angles to the other piece of mass 1 kg moving with a velocity 12 ms⁻¹. If the mass of the third piece is 0.5 kg, then its velocity is

Answer: (D)

Solution

Momentum of the 2 kg piece = 16 kg·ms⁻¹; momentum of the 1 kg piece = 12 kg·ms⁻¹ (perpendicular). Resultant =

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Question ID VK-153261