A high-speed flywheel in a motor is spinning at 450 rpm when a power faiure suddenly occurs. The flywheel has mass 41.0 kg and diameter 72.0cm. The power is off for 30.0 s and during this time the flywheel slows due to friction in its axle bearings. During the time the power is off, the flywheel makes 160 complete revolutions. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Rotation with constant angular acceleretion.
A high-speed flywheel in a motor is spinning at 450 rpm when a power faiure suddenly occurs. The flywheel has mass 41.0 kg and diameter 72.0cm. The power is off for 30.0 s and during this time the flywheel slows due to friction in its axle bearings. During the time the power is off, the flywheel makes 160 complete revolutions. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Rotation with constant angular acceleretion.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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How long after the power failure would it have taken the flywheel to stop spinning if power didn't come back on?
Transcribed Image Text:A high-speed flywheel in a motor is spinning at
450 rpm when a power faiure suddenly occurs.
The flywheel has mass 41.0 kg and diameter
72.0cm. The power is off for 30.0 s and during this
time the flywheel slows due to friction in its axle
bearings. During the time the power is off, the
flywheel makes 160 complete revolutions.
For related problemsolving tips and strategies, you
may want to view a Video Tutor Solution of Rotation
with constant angular acceleretion.
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