Wednesday
April 23, 2014

Homework Help: Physics - heat

Posted by Mary on Sunday, September 20, 2009 at 7:36am.

A .6 gm peanut is burned beneath 50g of water, which increases the temperature from 22 degrees to 50 degrees centigrade. Assuming 40% efficiency, show that the peanut's food value is 3500 calories.

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