A) \[\frac{\cos \theta }{{{\mu }_{0}}}\]
B) \[\frac{\sin \theta }{{{\mu }_{0}}}\]
C) \[\frac{\tan \theta }{{{\mu }_{0}}}\]
D) \[\frac{2\tan \theta }{{{\mu }_{0}}}\]
Correct Answer: C
Solution :
Acceleration of mass at distance x |
\[a=g\,\,(\sin \theta -{{\mu }_{0}}\,\,\times \,\,\cos \theta )\] |
speed is maximum, when a=0 |
\[g(\sin \theta -{{\mu }_{0}}\times \cos \theta )\] |
\[x=\frac{\tan \theta }{{{\mu }_{0}}}\] |
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