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Business, 12.04.2021 23:30 dondre54

Because of friction, rotational kinetic energy is not conserved while the disks' surfaces slip over each other. What is the final rotational kinetic energy, KfKfK_f, of the two spinning disks? Express the final kinetic energy in terms of ItItI_t, IrIrI_r, and the initial kinetic energy KiKiK_i of the two-disk system. No angular velocities should appear in your answer.

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