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November 24, 2014

Homework Help: Physics

Posted by Bob on Wednesday, May 23, 2012 at 4:08pm.

At a birthday party, a student ate a piece of cake (food energy value of 400 calories). To prevent this energy from being stored as fat, she decides to drink ice water at 0 C. She reasons that the ingested ice water will be warmed up to her normal body temperature of 37 C and absorb the energy. How much ice water would she have to drink to absorb the energy generated by metabolizing the birthday cake?

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