1.

A body is moving is down an inclined plane of slope `37^@` the coefficient of friction between the body and the plane varies as `mu=0.3x`, where x is the distance traveled down the plane by the body. The body will have maximum speed. `(sin 37^@ =(3)/(5))` .A. At x=1.16 mB. At x=2 mC. At bottom of planeD. At x=2.5 m

Answer» Correct Answer - D
(d) Body will have maximum speed where,
`mg sin theta=mu mg cos theta`
or `" " sin37^(@)=(0.3x).cos37^(@)" or " x=2.5 m`


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