On a incline

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

On a

25^{\circ}

incline, a block accelerates down the plane at

2.0\,\text{m/s}^2

. Take

g = 9.8\,\text{m/s}^2

. Determine the coefficient of kinetic friction between the block and the surface. (a)

0.42

(b)

0.24

(c)

0.20

(d)

0.27