A solid disk of moment of inertia 0.563 kg m2 is spinning about its center of mass at arate of 10.5 rad/s on top of a frictionless table surface. An identical disk that is notrotating is carefully placed on top of the rotating one, such that their centers coincide.If there is no external force and no loss of mechanical energy, how fast will the two-disk system rotate?5.25 rad/sO 10.5 rad/sO 5.91 rad/sO 21.0 rad/s

Initial total moment of inertia, I1 = 0.563 kgm2 Final total moment of inertia, I2 = 2I1 = 1.126…

Answered: A solid disk of moment of inertia 0.563…

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

Problem 7PQ: A 12.0-kg solid sphere of radius 1.50 m is being rotated by applying a constant tangential force of...

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