A playground merry-go-round has a radius of 420 and a
A playground merry-go-round has a radius of 4.20 and a moment of inertia of 255 and turns with negligible friction about a vertical axle through its center. What is the work done by the child? Show equations used.
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a playground merry-go-round has a radius of 420 and a moment of inertia of 255 and turns with negligible friction about
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