A runner of mass m37kg and running 28 ms runs and jumps on, Ask an Expert

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a runner of mass m=37kg and running 2.8 m/s runs and jumps on the rim of a playground merry go round which has a moment of inertia of 383 kg.m2 and a radius of 2 meters. Assuming the merry go round is initially at rest, what is its final angular velocity?

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