A) 19.6 m/s
B) 9.8 m/s
C) 14.7 m/s
D) None of these
Correct Answer: A
Solution :
\[T=\frac{2u\sin \theta }{g}\] Þ \[u=\frac{T\times g}{2\sin \theta }=\frac{2\times 9.8}{2\times \sin 30}=19.6\,m/s\]You need to login to perform this action.
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