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mfb
mfb is offline
#3
Dec2-12, 08:25 AM
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P: 10,813
Integrate ##\int \frac{1}{2}v^2 \rho dV## (in other words, kinetic energy = 1/2m^2 for all infinitesimal m) and split v into components from translation and rotation and you will get the correct result.