A) \[\mu =\sin \theta \]
B) \[\mu =cot\theta \]
C) \[\mu =2\cos \theta \]
D) \[\mu =\text{ }2\text{ }tan\theta \]
Correct Answer: D
Solution :
For upper half \[{{v}^{2}}={{u}^{2}}+2al/2=2(g\sin \theta )l/2=gl\sin \theta \] For lower halfYou need to login to perform this action.
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