A 1.45 kg box is placed on a ramp that is 21° above the horizontal.
If the coefficient of static friction is 0.49, and the coefficient of
kinetic friction is 0.32, what will happen to the box?
The box will accelerate at 0.22 m/s².
The box will accelerate at 0.58 m/s².
The box will accelerate at 0.47 m/s².
