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A wind turbine is initially spinning at a constant angular speed.As the wind's strength gradually increases, the turbine experiencesa constant angular acceleration of 0.180 rad/s2. After making 2876 revolutions, its angular speed is140 rad/s.
(a) What is the initial angular velocity of the turbine?
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A string is wrapped around a disk of mass m = 1.7 kg and radius R = 0.08 m. Starting from rest, you pull the string with a constant force F = 7 N along a nearly frictionless surface. At the instant while the center of the disk has moved a distance..
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