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NEET 2018 Physics question

PhysicsSystems of Particles and Rotational MotionNEET 2018

A moving block having mass , collides with another stationary block having mass . The lighter block comes to rest after collision. When the initial velocity of the lighter block is , then the value of coefficient of restitution () will be

Answer: (2)

Solution

Momentum conservation: , so (velocity of the heavier block after collision). Coefficient of restitution \dfrac${\text{relative speed of

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Question ID VK-092226