Three children are riding on the edge of a merrygoround thathas a mass...

Three children are riding on the edge of a merryâ€‘goâ€‘round that has a mass of 105...

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Physics

Three children are riding on the edge of a merryâ€‘goâ€‘round thathas a mass of 105 kg and a radius of 1.60 m . The merryâ€‘goâ€‘round isspinning at 22.0 rpm. The children have masses of 22.0, 28.0, and33.0 kg. If the 28.0 kg child moves to the center of themerryâ€‘goâ€‘round, what is the new angular velocity in revolutions perminute? Ignore friction, and assume that the merryâ€‘goâ€‘round can betreated as a solid disk and the children as point masses.
final angular velocity: ________ rpm

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3.7 Ratings (378 Votes)

Mass of the merrygoround M 105 kgRadius of the merrygoround R 16 mMoment of inertia of the merrygoround II MR22I 1051622I 1344 kgm2Mass of the first child m1 See Answer

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