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3. A toilet paper roll has a diameter of 12 cm and a moment of inertia of 4.5 x 10-4 kg m. While holding

3. A toilet paper roll has a diameter of 12 cm and a moment of inertia of 4.5 x 10-4 kg m. While holding onto the free end of the toilet paper, the roll falls toward the floor, unwinding as it goes. What is the magnitude of acceleration of the toilet paper roll? R

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