A body take 1 1/3 times as much time to slide down a rough inclined plane as it takes to slide down an identical but smooth inclined plane. If the angle of inclination is 45^(@), find the coefficient friction.

A body take 1 1/3 times as much time to slide down a rough inclined pl

1.	A body take 1 1/3 times as much time to slide down a rough inclined plane as it takes to slide down an identical but smooth inclined plane. If the angle of inclination is 45^(@), find the coefficient friction.
Answer» SOLUTION :`mu_(K)=7/16`