A) 4.5 m/s
B) 5.0 m/s
C) 5.7 m/s
D) 6.2 m/s
Correct Answer: C
Solution :
\[a\cos \,{{30}^{{}^\circ }}=\frac{{{V}^{2}}}{r}\] \[\Rightarrow 15\frac{\sqrt{3}}{2}=\frac{{{V}^{2}}}{2.5}\] \[\Rightarrow V=5.7\,m/s\]You need to login to perform this action.
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