A body is pushed up on a rough inclined plane making an angle 30^@to the horizontal. If its time of ascent on the plane is half the time of its descent, find coefficient of friction between the body and the inclined plane.

A body is pushed up on a rough inclined plane making an angle 30^@to t

1.	A body is pushed up on a rough inclined plane making an angle 30^@to the horizontal. If its time of ascent on the plane is half the time of its descent, find coefficient of friction between the body and the inclined plane.
Answer» `(SQRT3)/(5)` `SQRT(3//5)` `(3)/(SQRT5)` `3//5` Answer :A