A Wheel,with Rotational Inertia I, Mounted on a Vertical Shaft $\omega$

question 27

Multiple Choice

A wheel,with rotational inertia I, mounted on a vertical shaft with negligible ratational inertia, is rotating with angular speed $\omega$ _0. A nonrotation wheel with rotational inertia 2I is suddenly dropped onto the same shaft as shown.. The resultant combination of the two wheels and shaft will rotate at:

• A) \( \omega \)₀ /2
• B) 2\( \omega \)₀
• C) \( \omega \)₀ /3
• D) 3\( \omega \)₀
• E) \( \omega \)₀ /4

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