A block slides down a rough fixed incline of with an acceleration of

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

Problem

A block slides down a rough fixed incline of

30^{\circ}

with an acceleration of

2\,\text{m\,s}^{-2}

. Take

g = 10\,\text{m\,s}^{-2}

. Determine the coefficient of kinetic friction

\mu_k

between the block and the incline. (a)

0.38

(b)

0.30

(c)

0.35

(d)

0.50