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A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg • m2 is rotating ...

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A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg • m2 is rotating ...

A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg • m2 is rotating freely with an angular speed of 1.0 rad/s. Two people, each having a mass of 60 kg, are standing right outside the edge of the merry-go-round and step on it with negligible speed. What is the angular speed of the merry-go-round right after the two people have stepped on?
A) 0.20 rad/s
B) 0.40 rad/s
C) 0.60 rad/s
D) 0.80 rad/s
E) 0.67 rad/s

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Principles & Practice of Physics

Edition: 1^st

Author: Mazur

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