Question: A thin metal disk with mass 2.00 X 10-3 kg and radius 2.20 cm is attached at its center to a long fiber (Fig. 13.32).

A thin metal disk with mass 2.00 X 10-3 kg and radius 2.20 cm is attached at its center to a long fiber (Fig. 13.32). The disk, when twisted and released, oscillates with a period of
1.00 s. Find the torsion constant of the fiber

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