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

question 24

Multiple Choice

A wheel, with rotational inertia I, mounted on a vertical shaft with negligible rotational inertia, is rotating with angular speed $\omega$ _0.A nonrotating 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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