Answered: A 43.0 kg person rides the outer edge… | bartleby

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A 43.0 kg person rides the outer edge of a merry-go-round, 1.60 m from the axis.
Suppose the m-g-r (alone) has moment of inertia 128 kg m^2, and everything
is turning at 0.446 rev/s initially. If the person moves to the center, what will
the rate of rotation be afterward?

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