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June 17, 2011Efficiency4 minutesPlayCore physics - an explanation of the meaning of efficiency and how to calculate it...moreShareView all episodesBy dave161256June 17, 2011Efficiency4 minutesPlayCore physics - an explanation of the meaning of efficiency and how to calculate it...more
June 17, 2011Efficiency4 minutesPlayCore physics - an explanation of the meaning of efficiency and how to calculate it...more