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OpenStudy (anonymous):
Calculate the moment of inertia of a bicycle wheel 66.7 cm in diameter. The rim and tire have a combined mass of 1.25 kg. The mass of the hub can be ignored (why?). I'm not sure how to start or set this up. I'm sure that I have to use the formula I=Emr^2 Would I put 1.25kg as "m" and convert 66.7cm to meters and divide that answer by 2 to make it a radius? I'm completely guessing here!
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OpenStudy (mos1635):
I=M*r^2 E=???
OpenStudy (anonymous):
use I=mr^2
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