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JEE Main Physics question

PhysicsMotion in a Straight LineJEE Main

A ball is dropped on the floor from a height of 10 m. It rebounds to a height of 2.5 m. If the ball is in contact with the floor for 0.01 sec, the average acceleration during contact is [BHU 1997, CPMT 1997]

Answer: (B)

Solution

ms (down, ). ms (up,

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Question ID VK-152420