Principles of Physics 11th ISV Edition Β· Rolling, Torque, and Angular Momentum Β· Problem 52
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Walker, Halliday & Resnick β Rolling, Torque, and Angular Momentum: Problem 52
52 A cockroach of mass $m$ lies on the rim of a uniform disk of mass $4.00m$ that can rotate freely about its center like a merry-go-round. Initially the cockroach and disk rotate together with an angular velocity of $0.320\text{ rad/s}$. Then the cockroach walks halfway to the center of the disk. (a) What then is the angular velocity of the cockroach-disk system? (b) What is the ratio $K/K_0$ of the new kinetic energy of the system to its initial kinetic energy? (c) What accounts for the change in the kinetic energy?
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Given: 52 A, 4.00m
Find: (a) What then is the angular velocity of the cockroach-disk syst; (b) What is the ratio $K/K_0$ of the new kinetic energy of the s; (c) What accounts for the change in the kinetic energy?
This problem covers key concepts in Rolling, Torque, and Angular Momentum from Principles of Physics 11th ISV Edition by Walker, Halliday & Resnick. 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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Principles of Physics Β· 11th ISV Edition
Author: Walker, Halliday & Resnick
Publisher: Wiley
Chapter: Rolling, Torque, and Angular Momentum