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

A body takes 1(1)/(3) times as much time to slide down a rough incline

1.	A body takes 1(1)/(3) times as much time to slide down a rough inclined plane as it takes to slide down an identical bust smooth inclined plane. If the angle of inclination is 45^(@), the coefficient of friction is
Answer» `(1)/(16)` `(3)/(16)` `(5)/(16)` `(7)/(16)` ANSWER :D