A child of mass m stands at rest near the rim of a stationary merry-go-round of radius
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A child of mass m stands at rest near the rim of a stationary merry-go-round of radius R and moment of inertia I. The child now begins to walk around the circumference of the merry-go-round with a tangential speed v with respect to the merry-go-round's surface.
(a) What is the child's speed with respect to the ground? Check your result in the limits
(b) I → 0
(c) I → ∞.
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