cvindel2427 cvindel2427
  • 21-11-2022
  • Physics
contestada

a playground merry-go-round has a mass of 120 kg and a radius of 1.80 m and it is rotating with an angular velocity of 0.450 rev/s. what is its angular velocity (in rev/s) after a 26.0 kg child gets onto it by grabbing its outer edge? the child is initially at rest.

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