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23 Nov 2019
A playground merry-go-round of radius 2.00 m has a moment ofinertia I = 275 kg·m2 and is rotating about a frictionless verticalaxle. As a child of mass 25.0 kg stands at a distance of 1.00 mfrom the axle, the system (merry-go-round and child) rotates at therate of 14.0 rev/min. The child then proceeds to walk toward theedge of the merry-go-round. What is the angular speed of the systemwhen the child reaches the edge?
1 rad/s
A playground merry-go-round of radius 2.00 m has a moment ofinertia I = 275 kg·m2 and is rotating about a frictionless verticalaxle. As a child of mass 25.0 kg stands at a distance of 1.00 mfrom the axle, the system (merry-go-round and child) rotates at therate of 14.0 rev/min. The child then proceeds to walk toward theedge of the merry-go-round. What is the angular speed of the systemwhen the child reaches the edge?
1 rad/s