A body takes time to reach the bottom of an inclined plane of angle with the horizontal. If the plane is made rough, time taken now is 2t. The coefficient of friction of the rough surface is

A body takes time to reach the bottom of an inclined plane of angle wi

1.	A body takes time to reach the bottom of an inclined plane of angle with the horizontal. If the plane is made rough, time taken now is 2t. The coefficient of friction of the rough surface is
Answer» `3/4 TANTHETA ` `2/3tan THETA` `1/4 TAN theta` `1/2tan theta` SOLUTION :`3/4 tantheta `