Question

A body of mass 3 kg falls from the multi-storeyed building 100 m high and buries itself 2m deep in the sand. The time of penetration will be 

(A) 0.09 s 

(B) 0.9 s 

(C) 9 s 

(D) 10 s

Answer 1

Correct option: (A) 0.09 s