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An 8.20 kg package in a mail-sorting room slides 1.90 m down a chute that is...

An 8.20 kg package in a mail-sorting room slides 1.90 m down a chute that is inclined at 53.6 degrees below the horizontal. The coefficient of kinetic friction between the package and the chute's surface is 0.35.

Calculate the works done on the package by friction (J).
Calculate the work done on the package by gravity (J).
Calculate the work done on the package by the normal force (J).
What is the net work done on the package (J)?
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