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A block of mass m is released on the top...

A block of mass m is released on the top of a smooth inclined plane of length x and inclination `theta` as shown in figure. Horizontal surface is rough. If block comes to rest after moving a distabce d on the horizontal surface, then coefficient of friction between block and surface is :-

A

`(x sin theta)/(2d)`

B

`(x cos theta)/(2d)`

C

`(x sin theta)/(d)`

D

`(x cos theta)/(d)`

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The correct Answer is:
C
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