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Aug. 14, 2014, 6:59 p.m. -  craigsj

#!markdown Keith has failed to take into account that the larger wheels rotate slower to obtain 10m/s so his rotational KE numbers are wrong. It's of no consequence anyway as the differences are tiny compared to the overall KE of the system as john-b pointed out already. The percentage differences in weight and KE will be the same assuming constant distribution of mass.

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