The time taken by a body to slide down a rough inclined plane is twice that required…

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

The time taken by a body to slide down a rough

45^\circ

inclined plane is twice that required to slide down a smooth

45^\circ

inclined plane. The coefficient of kinetic friction between the object and the rough plane is (1)

\frac{1}{3}

(2)

\frac{3}{4}

(3)

\sqrt{\frac{3}{4}}

(4)

\sqrt{\frac{2}{3}}