Physics for Scientists and Engineers 10th Edition Β· Conservation of Energy Β· Problem 7
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Serway & Jewett β Conservation of Energy: Problem 7
A crate of mass 10.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling force is 100 N parallel to the incline, which makes an angle of 20.0Β° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 5.00 m. (a) How much work is done by the gravitational force on the crate? (b) Determine the increase in internal energy of the crateβincline system owing to friction. (c) How much work is done by the 100-N force on the crate? (d) What is the change in kinetic energy of the crate? (e) What is the speed of the crate after being pulled 5.00 m?
π Solution Approach
Given: 10.0 kg, 1.50 m, 100 N, 5.00 m
Find: (a) How much work is done by the gravitational force on the crat; (b) Determine the increase in internal energy of the crateβincli; (c) How much work is done by the 100-N force on the crate?
This problem covers key concepts in Conservation of Energy from Physics for Scientists and Engineers 10th Edition by Serway & Jewett. The step-by-step solution involves applying fundamental principles and systematic analysis to arrive at the correct answer. Full solution available with a Solution Pass.
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Physics for Scientists and Engineers Β· 10th Edition
Author: Serway & Jewett
Publisher: Cengage
Chapter: Conservation of Energy