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Three children are riding on the edge of a merry‑go‑round that has a mass of 105...

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Physics

Three children are riding on the edge of a merry‑go‑round thathas a mass of 105 kg and a radius of 1.70 m . The merry‑go‑round isspinning at 24.0 rpm. The children have masses of 22.0, 28.0, and33.0 kg. If the 28.0 kg child moves to the center of themerry‑go‑round, what is the new angular velocity in revolutions perminute? Ignore friction, and assume that the merry‑go‑round can betreated as a solid disk and the children as point masses. finalangular velocity: rpm

Answer & Explanation Solved by verified expert
4.2 Ratings (888 Votes)
Using Angular momentum conservation on merrygoround before and after 2nd child moves to the center Li Lf Iiwi Ifwf wi initial angular speed of ride    See Answer
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