NEET UG PHYSICS MCQ: MOTION IN A STRAIGHT LINE

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A ball dropped onto the floor from a height of 40 m and rebounds of a height of 10 m. If the ball is in contact with the floor of 0.02 s, its average acceleration during contact is

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Correct option: B

2100\,\,m\mathrm{/}{s^2}

Option B (

2100\,\,m\mathrm{/}{s^2}

) is correct because it is calculated using the change in velocity during contact and the contact time.

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