A) 19.6m/s
B) 9.8 m/s
C) 4.9 m/s
D) 1 m/s
Correct Answer: B
Solution :
Time of flight\[T=\frac{2u\sin \theta }{g}\] Given, \[u={{v}_{0}},T=1s,\theta =30{}^\circ ,g=9.8\,m/{{s}^{2}},\] \[{{v}_{0}}=u=g=9.8m/s\]You need to login to perform this action.
You will be redirected in
3 sec