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A ball falls from 20 m height on the floor and rebounds to 5m. Time to contact is 0.02 s. Find the acceleration during impact.

(A) 1200 ms-2 

(B) 1000 ms-2 

(C) 2000 ms-2

(D) 1500 ms-2​​​​​​​

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The correct option of this question is (D).

Solution : The acceleration during impact,

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