Consider two identical 86-kg men who are eating identical meals and doing identical things except that one of them jogs for 30 m
in every day while the other watches TV. Determine the weight difference between the two in a month (30 days). An average 68-kg person consumes 540 Cal/h while jogging and 72 Cal/h while watching TV. The metabolizable energy content of 1 kg of fat is 33,100 kJ.
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Answer:
The claim is false. ().
Explanation:
The real coefficient of performance of the food freezer is:
The ideal coefficient of performance, that is, when freezer has a reversible process, is:
A real freezer has a coefficient of performance lesser than or equal to ideal coefficient of performance. Since supposed real coefficient of performance is greater than ideal coefficient of performance. The claim is proved to be false.