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

Question : A body of mass 3 kg falls from the multi-stored building 100m 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 : option (A)

Solution :

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