A) \[26\text{ }m{{s}^{-1}}\]
B) \[67.6m{{s}^{-1}}\]
C) \[13m{{s}^{-1}}\]
D) \[36.7m{{s}^{-1}}\]
E) \[8.2\text{ }m{{s}^{-1}}\]
Correct Answer: A
Solution :
\[v=\sqrt{\mu Rg}\] or \[v=\sqrt{0.8\times 84.5\times 10}=26\,ms{{~}^{-1}}\]You need to login to perform this action.
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