The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius ?h=0.156 mrh=0.156 m and mass 5.08 kg5.08 kg, and two thin

Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotation Of A Rigid Object About A Fixed Axis
Section: Chapter Questions
Problem 29P: Review. An object with a mass of m = 5.10 kg is attached to the free end of a light string wrapped...
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The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius ?h=0.156 mrh=0.156 m and mass 5.08 kg5.08 kg, and two thin crossed rods of mass 7.80 kg7.80 kg each. A farmer would like to replace his wheels with uniform disks ?d=0.0525 mtd=0.0525 m thick, made out of a material with a density of 8290 kg8290 kg per cubic meter. If the new wheel is to have the same moment of inertia about its center as the old wheel about its center, what should the radius of the disk be?

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