At rest a person has a metabolic rate of 42 x 105 jhr the, Ask an Expert

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At rest a person has a metabolic rate of 4.2 x 10^5 J/hr. The person is submerged neck-deep into a tub containing 1.0 x 10^3 kg water at 27.00 degrees Celcius. If the heat from the person goes only into the water, what is the water's temperature after a half hour?

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