A) \[\sqrt{8}\,\,s\]
B) \[2\,\,s\]
C) \[4\,\,s\]
D) \[8\,\,s\]
Correct Answer: C
Solution :
We know\[h=ut+\frac{1}{2}g{{t}^{2}}\] Since, vertical velocity,\[u=0\] and \[h=7848\,\,cm\]You need to login to perform this action.
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