A disk with rotational inertia of 0.25 kg · m? and radius 0.24 m rotates about a frictionless axis that passes through the disk perpendicularly through its center. A force of 50 N is applied tangentially to the edge of the disk. If the disk starts its: movement from rest, after it has rotated half a revolution, its angular velocity is: a) w = 8.6831 rad/s b) w=17.3662 rad/s c) w= 327.2396 rad/s d) w =0.0754 rad/s

College Physics
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Author:Raymond A. Serway, Chris Vuille
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Chapter8: Rotational Equilibrium And Dynamics
Section: Chapter Questions
Problem 68P: A 60.0-kg woman stands at the rim of a horizontal turntable having a moment of inertia of 500 kg m2...
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0.711T TIN
A disk with rotational inertia of 0.25 kg m² and radius 0.24 m rotates about a
frictionless axis that passes through the disk perpendicularly through its center. A
force of 50 N is applied tangentially to the edge of the disk. If the disk starts its :
movement from rest, after it has rotated half a revolution, its angular velocity is:
a) w = 8.6831 rad/s
b) w=17.3662 rad/s
c) w = 327.2396 rad/s
d) w =0.0754 rad/s
Transcribed Image Text:0.711T TIN A disk with rotational inertia of 0.25 kg m² and radius 0.24 m rotates about a frictionless axis that passes through the disk perpendicularly through its center. A force of 50 N is applied tangentially to the edge of the disk. If the disk starts its : movement from rest, after it has rotated half a revolution, its angular velocity is: a) w = 8.6831 rad/s b) w=17.3662 rad/s c) w = 327.2396 rad/s d) w =0.0754 rad/s
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