On a frictionless incline

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

Problem

On a frictionless incline, a block is observed to accelerate at

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

. (Take

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

.) The inclination of the plane with the horizontal is closest to (a)

20^\circ

(b)

45^\circ

(c)

11.8^\circ

(d)

30^\circ