The rotor of an electric motor has a mass of 25 kg, and it is observed that
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The rotor of an electric motor has a mass of 25 kg, and it is observed that 4.2 min is required for the rotor to coast to rest from an angular velocity of 3600 rpm. Knowing that kinetic friction produces a couple of magnitude 1.2 N·m, determine the centroidal radius of gyration for the rotor.
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Coasting time Initial angular velocity Principle of impulse ...View the full answer
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Related Book For 
Vector Mechanics For Engineers Statics And Dynamics
ISBN: 9781259977206
12th Edition
Authors: Phillip J Cornwell, E Russell Jr Johnston, David Mazurek, E Russell Johnston Jr, Ferdinand P Beer, Brian
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