Describe is the angular velocity of the merry-go-round now

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A 4.9 m diameter merry-go-round is rotating freely with an angular velocity of 0.780 rad/s. Its total moment of inertia is 1550kg*m2. Four people standing on the ground, each of mass63.6 kg, abruptly step onto the edge of the merry-go-round. Describe is the angular velocity of the merry-go-round now?

Reference no: EM13657836

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