An 8.00 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. a) Calculate the net work done on the package by summing the work done on the package by friction, gravity and the normal force. b) If the package has speed of 1.2 m/s at the top of the chute, what is its speed at the bottom?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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2. An 8.00 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. a) Calculate the net work done on
the package by summing the work done on the package by friction, gravity and
the normal force. b) If the package has speed of 1.2 m/s at the top of the chute,
what is its speed at the bottom?
Transcribed Image Text:2. An 8.00 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. a) Calculate the net work done on the package by summing the work done on the package by friction, gravity and the normal force. b) If the package has speed of 1.2 m/s at the top of the chute, what is its speed at the bottom?
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