A body of mass 5 xx 10^(-3) kg is launched upon a rough inclined plane making an angle of 30° with the horizontal. Find the coefficient of friction between the body and the plane if the time of ascent is half of the time of descent.

A body of mass 5 xx 10^(-3) kg is launched upon a rough inclined plane

1.	A body of mass 5 xx 10^(-3) kg is launched upon a rough inclined plane making an angle of 30° with the horizontal. Find the coefficient of friction between the body and the plane if the time of ascent is half of the time of descent.
Answer» 0.346 0.436 0.463 0.364 Solution :0.346