A given object takes n times more time to slide down a 45° rough inclined plane as it takes to slide down a perfectly smooth 45° incline. The coefficient of kinetic friction between the object and the incline is:

Laws of Motion: JEE Main 2018 Physics question

JEE Main 2018 · 15 Apr, Morning shift · Q7552

JEE Main 201815 Apr, Morning shiftPhysicsMediumLaws of Motion70× since 2002

A given object takes n times more time to slide down a

{45^ \circ }

rough inclined plane as it takes to slide down a perfectly smooth

{45^ \circ }

incline. The coefficient of kinetic friction between the object and the incline is :

JEE Main 2018 · 15 Apr, Morning shift · Q7552

JEE Main 201815 Apr, Morning shiftPhysicsMediumLaws of Motion70× since 2002

A given object takes n times more time to slide down a

{45^ \circ }

rough inclined plane as it takes to slide down a perfectly smooth

{45^ \circ }

incline. The coefficient of kinetic friction between the object and the incline is :