1.

A body is projected up along an inclined plane from the bottom with speed V_(1). If it reaches the bottom of the plane with a velocity V_(1) find (v _(1)//v_(2)) if theta is the angle of inclination with the horizontal and mube the co-efficient of friction.

Answer»

`(sin THETA + MU COS theta)/(sin theta - mu cos theta)`
`SQRT((sin theta + mu cos theta)/( sin theta - mu cos theta))`
`(cos theta + mu sin theta)/( cos theta - mu sin theta)`
`sqrt (( cos theta + mu sin theta)/(cos theta - mu sin theta))`

Answer :B


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