Time taken by a body to slide down a rough surface inclined at an angle theta , is n time that required by the body to slide down the same distance on a smooth surface inclined at theta also. Find the coefficient of sliding friction between the body and the plane.

Time taken by a body to slide down a rough surface inclined at an angl

1.	Time taken by a body to slide down a rough surface inclined at an angle theta , is n time that required by the body to slide down the same distance on a smooth surface inclined at theta also. Find the coefficient of sliding friction between the body and the plane.
Answer» ANSWER :`(1-(1)/(N^(2)))TANTHETA`