A 500-lb flywheel is at rest when a constant 200 lb ?? ft couple M is applied
Question:
A 500-lb flywheel is at rest when a constant 200 lb ?? ft couple M is applied at time t = 0. At t = 30 s the flywheel reaches its rated speed of 3000 rpm and the couple is removed. Assuming that the kinetic friction results in a constant couple of magnitude 12.5 lb ?? ft, determine
(a) The radius of gyration of the flywheel,
(b) The number of revolutions that the flywheel executes after the couple is removed and before it comes to rest.
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a Kinematics THE 1875 M I mk 200 125 lbft Ka1875 lbft 104...View the full answer
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Related Book For 
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
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