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     EduGorilla 
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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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