A horizontal force of magnitude F = 149 N is used to push a box of mass m = 5 kg from rest a distance d = 13 m up a frictionless incline with a slope q = 22°.
a) How much work is done by the force on the box?
b) How much work is done on the box by the gravitational force during this same displacement?
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c) How much work is done by the normal force of the slope on the box during this displacement?
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d) How fast is the box moving after this displacement?