Aplayground merry-go-round of radius 1.6 m has a moment of inertia 192 kg. m2 and is rotating at 11 rev/min about a frictionless vertical axle. facing the axle, a 21 kg child hops onto the merry-go-round, and manages to sit down on the edge. what is the new angular speed of the merry-go-round? answer in units of rev/min.

explanation:

an enlarged virtual image is the answer

answer: decibel

explanation:

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