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A 12.0-kg package in a mail-sorting room slides 2.00 m down a chute that is inclined at 53.0° below the horizontal. The coefficient of kinetic friction between the package and the chute’s surface is 0.40. Calculate the work done on the package by (a) friction, (b) gravity, and (c) the normal force. (d) What is the net work done on the package? (Hint: Start by setting up a coordinate system and writing the vectors for the displacement and for each force. Then apply the expression for work when a constant force is applied.)
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A 12.0-kg package in a mail-sorting room slides 2.00 m down a chute that is inclined at 53.0° below...
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