A) \[\frac{\pi }{2}+{{\cot }^{-1}}\left( \frac{1}{\eta } \right)\]
B) \[\frac{\pi }{2}+{{\sin }^{-1}}\left( \frac{1}{\eta } \right)\]
C) \[{{\cos }^{-1}}\left( \frac{1}{\eta } \right)\]
D) \[si{{n}^{-1}}\left( \frac{1}{\eta } \right)\]
Correct Answer: B
Solution :
[b] \[\overrightarrow{{{v}_{B+g}}}=\left( v+\frac{v}{\eta }\left( \cos \alpha \right)\hat{i}+\left( \frac{v}{\eta }\sin \alpha \right) \right)\hat{j}\] Drifting \[D=\left( v+\frac{v}{\eta }\cos \alpha \right)\frac{D}{\left( \frac{v}{\eta }\sin \alpha \right)}\]You need to login to perform this action.
You will be redirected in
3 sec