Fundamentals of Physics Extended 12th Edition Β· Kinetic Energy and Work Β· Problem 60
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Halliday, Resnick & Walker β Kinetic Energy and Work: Problem 60
A frightened child is restrained by her mother as the child slides down a frictionless playground slide. If the force on the child from the mother is 100 N up the slide, the childβs kinetic energy increases by 30 J as she moves down the slide a distance of 1.8 m. (a) How much work is done on the child by the gravitational force during the 1.8 m descent? (b) If the child is not restrained by her mother, how much will the childβs kinetic energy increase as she comes down the slide that same distance of 1.8 m?
π Solution Approach
Given: 100 N, 30 J, 1.8 m
Find: (a) How much work is done on the child by the gravitational forc; (b) If the child is not restrained by her mother
This problem covers key concepts in Kinetic Energy and Work from Fundamentals of Physics Extended 12th Edition by Halliday, Resnick & Walker. 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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Fundamentals of Physics Extended Β· 12th Edition
Author: Halliday, Resnick & Walker
Publisher: Wiley
Chapter: Kinetic Energy and Work