Q2. Two uniform disks of the same material are attached to a shaft as shown. Disk A has a weight of 10 lb and a radius r = 6 in. Disk B is twice as thick as disk A. Knowing that a couple M of magnitude 22 lb. ft is applied to disk A when the system is at rest, determine the radius nr of disk B if the angular velocity of the system is to be 480 rpm after 5 revolutions. B A b nr. #K 2b

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q2. Two uniform disks of the same material are attached to a shaft as shown. Disk A has a weight of 10
lb and a radius r = 6 in. Disk B is twice as thick as disk A. Knowing that a couple M of magnitude
22 lb. ft is applied to disk A when the system is at rest, determine the radius nr of disk B if the angular
velocity of the system is to be 480 rpm after 5 revolutions.
A
M
b
B
2b
Transcribed Image Text:Q2. Two uniform disks of the same material are attached to a shaft as shown. Disk A has a weight of 10 lb and a radius r = 6 in. Disk B is twice as thick as disk A. Knowing that a couple M of magnitude 22 lb. ft is applied to disk A when the system is at rest, determine the radius nr of disk B if the angular velocity of the system is to be 480 rpm after 5 revolutions. A M b B 2b
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