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Q. A circular disk with a radius of 0.65 meters and mass of 0.26 kg has a hole cut in the middle. A tangential force of 5.6 Newtons is applied to the outer edge of disk and it spins about its center of mass because of this force. After being at first at rest, it spins to an angular speed of 12 rad/s in a time of 4.3 seconds. What is the moment of inertia for disk if it spun about the edge of the disk? Reply in kg m2.

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