*83 about axes that pass through their centers. Each has a radius of 0.20 m ssm Two spheres are each rotating at an angular speed of 24 rad/s and a mass of 1.5 kg. However, as the figure shows, one is solid and the other is a thin-walled spherical shell. Suddenly, a net external torque due to friction (magnitude = 0.12 N • m) begins to act on each sphere and slows the motion down. Concepts: (i) Which sphere has the greater mo- ment of inertia and why? (ii) Which sphere has the angular acceleration (a deceleration) with the smaller magnitude? (iii) Which sphere takes a longer time to come to a halt? Calculations: How long does it take each sphere to come to a halt? Solid sphere Thin-walled spherical shell

*83 about axes that pass through their centers. Each has a radius of 0.20 m ssm Two spheres are each rotating at an angular speed of 24 rad/s and a mass of 1.5 kg. However, as the figure shows, one is solid and the other is a thin-walled spherical shell. Suddenly, a net external torque due to friction (magnitude = 0.12 N • m) begins to act on each sphere and slows the motion down. Concepts: (i) Which sphere has the greater mo- ment of inertia and why? (ii) Which sphere has the angular acceleration (a deceleration) with the smaller magnitude? (iii) Which sphere takes a longer time to come to a halt? Calculations: How long does it take each sphere to come to a halt? Solid sphere Thin-walled spherical shell

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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