Teaching Physics with the Physics Suite

Edward F. Redish

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The cold water diet plan

If you drink cold water it will soon warm up to body temperature (about 37 °C). This takes energy. Therefore, you ought to be able to keep your weight down even if you eat fattening food provided you also drink lots of cold water. Estimate what volume of cold water you would need to drink to overcome the effect of eating one chocolate sundae (about 500 Cal).

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Page last modified October 30, 2002: H&T04