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[" A ring of mass "M" and radius "R" is ...

[" A ring of mass "M" and radius "R" is rotating with angular speed "omega" about a "],[" fixed vertical axis passing through its centre "O" with two point masses "],[" each of mass "(M)/(8)" at rest at "0" .These masses can move radially "],[" outwards along two massless rods fixed on the ring as shown in the "],[" figure.At some instant the angular speed on the system is "(8)/(9)omega" and one "],[" of the masses is at a distance of "(3)/(5)R" from "0." At this instant the "],[" distance of the other mass from "0" is "]

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