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A block of mass M rests on an inclined p...

A block of mass M rests on an inclined plane. If the coefficient of friction between the block and the plane is `mu` then the block will slide down the plane under its own weight the angle of inclination is

A

`thetagttan^-1(mu)`

B

`thetagttan^-1(1/mu)`

C

`thetalttan^-1(mu)`

D

`thetalttan^-1(1/mu)`

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