A 3.0-m-diameter merry-go-round with rotational inertia is spinning freely at 0.50
Chapter 11, Problem 26(choose chapter or problem)
A 3.0-m-diameter merry-go-round with rotational inertia is spinning freely at 0.50 rev/s. Four 25-kg children sit suddenly on the edge of the merry-go-round. (a) Find the new angular speed, and (b) determine the total energy lost to friction between children and merry-go-round.
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