A) \[40m{{s}^{1}}\]
B) \[20m{{s}^{1}}\]
C) \[15m{{s}^{1}}\]
D) \[10m{{s}^{1}}\]
Correct Answer: D
Solution :
\[v=\sqrt{\mu rg}=\sqrt{0.25\times 40\times 10}=10\,m/s\]You need to login to perform this action.
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