A) \[2.86\,\,s\]
B) \[3.46\,\,s\]
C) \[3.86\,\,s\]
D) \[4.86\,\,s\]
Correct Answer: A
Solution :
\[u=14\,\,m\,\,{{s}^{-1}};\,\,g=9.8\,\,m\,\,{{s}^{-2}}\]. \[t=\frac{2u}{g}=\frac{2\times 14}{9.8}=2.86\,\,s\]You need to login to perform this action.
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