Two uniform solid cylinders, each rotating about its central (longitudinal) axis, have the same mass of 1.99 kg and rotate with the same angular speed of 334 rad/s, but they differ in radius. What is the rotational kinetic energy of (a) the smaller cylinder, of radius 0.140 m, and (b) the larger cylinder, of radius 0.925 m? (a) Number i Units (b) Number i Units <>

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter13: Rotation Ii: A Conservation Approach
Section: Chapter Questions
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Two uniform solid cylinders, each rotating about its
central (longitudinal) axis, have the same mass of
1.99 kg and rotate with the same angular speed of
334 rad/s, but they differ in radius. What is the
rotational kinetic energy of (a) the smaller cylinder,
of radius 0.140 m, and (b) the larger cylinder, of
radius 0.925 m?
(a) Number i
Units
(b) Number i
Units
<>
Transcribed Image Text:Two uniform solid cylinders, each rotating about its central (longitudinal) axis, have the same mass of 1.99 kg and rotate with the same angular speed of 334 rad/s, but they differ in radius. What is the rotational kinetic energy of (a) the smaller cylinder, of radius 0.140 m, and (b) the larger cylinder, of radius 0.925 m? (a) Number i Units (b) Number i Units <>
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