A uniform disk of radius 0.491 m and unknown mass is constrained to rotate about a perpendicular axis through its center. A ring with the same mass as the disk is attached around the disk's rim. A tangential force of 0.229 N applied at the rim causes an angular acceleration of 0.115 rad/s². Find the mass of the disk.

Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
Author:Paul W. Zitzewitz
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Chapter8: Rotational Motion
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A uniform disk of radius 0.491 m and unknown mass is constrained to rotate about a perpendicular axis through its center. A
ring with the same mass as the disk is attached around the disk's rim. A tangential force of 0.229 N applied at the rim causes an
angular acceleration of 0.115 rad/s². Find the mass of the disk.
mass of disk:
3.08
kg
Transcribed Image Text:A uniform disk of radius 0.491 m and unknown mass is constrained to rotate about a perpendicular axis through its center. A ring with the same mass as the disk is attached around the disk's rim. A tangential force of 0.229 N applied at the rim causes an angular acceleration of 0.115 rad/s². Find the mass of the disk. mass of disk: 3.08 kg
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