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Amerry-go-round can be modeled as a solid disk of radius r and mass m. initially, it is rotating on a sturdy frictionless axle with angular velocity ω0 . a rock of mass m is dropped vertically onto the merry-go-round and it sticks to the surface at a radius r from the center. what is the final angular velocity ω of the merry-goround + rock system?
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Amerry-go-round can be modeled as a solid disk of radius r and mass m. initially, it is rotating on...
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