Question

-Suppose a man metabolizes 12500 kJ of food energy in one day. 1. What is the...

-Suppose a man metabolizes 12500 kJ of food energy in one day.

1. What is the average metabolic rate, in watts, for this man?

2. What is the maximum amount of work, in joules, he can do without breaking down fat, assuming a maximum efficiency of 22.5 %?

3. How much more work can a 187-W (0.250-horsepower) motor do, as compared with this person over the same time interval?

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