Question

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​​​​​​​

Answer 1

The correct option of this question is (D).

Solution : The acceleration during impact,