fancywolf fancywolf

09-12-2022
Physics

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A child sitting at the edge of a merry-go-round spinning at 8.4 rad/s. The moment of inertia of the child merry-go-round system is 9.18 kg-m2. After a while, the child walks inside the merry-go-round, causing the moment of inertia of the system to reduce to 4.53 kg-m2. What is the angular velocity of the merry-go-round now?

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