Physics, 11.05.2021 04:20, almostnevercbbc

A playground merry-go-round with a radius of 2.0 m and a rotational inertia of 100 kg m2 is rotating at 3.0 rad/s. A child with a mass of 22 kg jumps onto the edge of the merry-go-round, traveling radially inward. What is the new angular speed of the merry-go-round

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A playground merry-go-round with a radius of 2.0 m and a rotational inertia of 100 kg m2 is rotating...