Question

A playground merry-go-round (a solid disk) has a mass of 120 kg and a radius of 1.80 m and it is rotating with an angular velocity of 0.500 rev/s. What is its angular velocity after a 22.0-kg child (who is initially at rest) gets onto it by grabbing its outer edge? (You can approximate the child as a point mass).

Answer 1

Answer:

2.3rad/s.

Explanation:

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Answer 2

Explanation:

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