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
with
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