(Answered) A wheel with a moment of inertia of 55 kgbullm2nbspis

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A wheel with a moment of inertia of 5.5 kg•m² is rotating with an angular speed of 54 rad/s. A second wheel with a moment of inertia of 2.25kg•m², initially at rest, is suddenly coupled to the same shaft. What is the angular speed of the resulting combination? (Hint: think about momentum, before, and then after)

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