An 8.5 kg package in a mail sorting room slides 2.0 m down a chute that is inclined at 53 . 0 o below the x-axis. The coefficient of kinetic friction between the package and the chute's surface is .40. Calculate the work done on the package by
a. Friction
b. Gravity
c. The normal force
d. Find the total work done on the package
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d find the total work done on the package
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