A) \[\frac{P}{2\mu \,m\,g}\]
B) \[\frac{{{P}^{2}}}{2\mu \,m\,g}\]
C) \[\frac{P}{2\mu \,m{{\,}^{2}}g}\]
D) \[\frac{{{P}^{2}}}{2\mu \,m{{\,}^{2}}g}\]
Correct Answer: D
Solution :
\[S=\frac{{{u}^{2}}}{2\mu g}=\frac{{{m}^{2}}{{u}^{2}}}{2\mu g{{m}^{2}}}=\frac{{{P}^{2}}}{2\mu {{m}^{2}}g}\]
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