An object takes n times as much time to slide down a 45^\circ rough inclined plane as it takes to slide down a perfectly smooth 45^\circ inclined plane. The coefficient of kinetic friction between the rough plane and the object is

BITSAT 2018 Slot 2 Solved Paper

Section: Physics

Question : 23 of 150

Marks: +1, -0

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

n2−1
1−
1
n2
n2+1
1+
1
n2

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