A 108g Frisbee is 24 cm in diameter and has about half its mass spread uniformly in a disk, while the other half is concentrated in the rim of the Frisbee. With a quarter-turn (i. e., 90 degrees) flick of the wrist, a student starts the Frisbee rotating at 550 rpm.
(a) What is the moment of inertia of the Frisbee?
(b) What is the magnitude of the torque, assumed constant, that the student applies?
Answers: 2
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