Physics

Problem

5\,\text{kg}

block is released from rest on a smooth plane inclined at

30^\circ

to the horizontal. Take

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

. The magnitude of its acceleration along the plane is a)

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

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

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

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