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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

An elastic ball is dropped from a height h and it rebounds many times from the floor. If the coefficient of restitution is e, the time interval between the second and third impact is [Kerala CEE 2003]

Answer: (C)

Solution

The rebound height after the first impact is h₁ = e²h; the time between the first and second impact is 2√(2h₁/g) = 2e√(2h/g). The time

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Question ID VK-153645