ch11-p046 - rotational inertias (which does not change in...

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46. Using Eq. 11-31 with angular momentum conservation, L i = L f (Eq. 11-33) leads to the ratio of rotational inertias being inversely proportional to the ratio of angular velocities. Thus, I f /I i = 6/5 = 1.0 + 0.2. We interpret the “1.0” as the ratio of disk
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Unformatted text preview: rotational inertias (which does not change in this problem) and the “0.2” as the ratio of the roach rotational inertial to that of the disk. Thus, the answer is 0.20....
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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