An interesting question a prof posed in class to us one day:(adsbygoogle = window.adsbygoogle || []).push({});

A bicycle wheel is upsidedown and is spinning. It has radius R. As it is raining, water droplets fly off tangentially from the bicycle. You measure the heights of the droplets flying off vertically from the bicycle (at the point whee the tangent is vertical). You notice that the height of the first droplet is greater than that of the second droplet (h1>h2). The drop in height directly corresponds to a drop in angular acceleration. From this information, compute the average angular acceleration.

Thats the question. he left it at that. He gave us a hint, and that was to remember conservation of energy, but that was all.

Does anyone have any ideas how to solve this?

-desi

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# Angular Acceleration

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