
College Physics
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Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:A vertical flywheel is given an angular speed of 72.5 RPM about an horizontal axis through point O.
The frictionless flywheel is brought to rest as it lifts an attached weight off the ground as shown at
right. The flywheel can be modeled as a ring that has a mass of 10.0 kg and a radius of 48.0 cm.
Pulley
Weight
a. What was the tension in the rope if it takes 5.0 seconds for the flywheel to slow down to a stop as the weight is lifted?
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Tension
Newtons
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b. How many revolutions did the flywheel make during this 5.0 seconds?
I
Angular Distance
Revolutions
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c. How high was the weight lifted?
Height
d. What was the mass that was lifted?
meters
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