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 ….

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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

Options :-

1. 2100m/sec2 downwards

2. 2100m/sec2 upwards

3. 1400m/sec2

4. 700m/sec2

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