A) 332.6 m/sec
B) 326.7 m/sec
C) 300.4 m/sec
D) 290.5 m/sec
Correct Answer: B
Solution :
\[t=\sqrt{\frac{2h}{g}}+\frac{h}{v}=\sqrt{\frac{2\times 19.6}{9.8}}+\frac{19.6}{v}=2.06\] \[\Rightarrow \] \[v=326.7\]\[m/s\]You need to login to perform this action.
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