MHT CET 2025 Physics question
An object of mass 'm' moving with velocity 'u' collides with another stationary object of mass 'M' and stops just after the collision. The coefficient of restitution is
Answer: (C)
Solution
Let the velocity of M after the collision be v. Momentum conservation: . The coefficient of restitution is the ratio of the speed of separation to the speed of approach: , option (C). Since
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