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Back to 15.1 The First Law of Thermodynamics

15.1 Exercise 22

Avg difficulty 2.5

(a) A woman climbing the Washington Monument metabolizes 6 . 00 × 10 2 kJ 6 .\text{ } \text{00 } \times \text{10 }^{2} \text{kJ } of food energy. If her efficiency is 18.0%, how much heat transfer occurs to the environment to keep her temperature constant? (b) Discuss the amount of heat transfer found in (a). Is it consistent with the fact that you quickly warm up when exercising?

OpenStax College Physics 2e, 15.1 The First Law of Thermodynamics, exercise 22

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.