Thermodynamics: An Engineering Approach 8th Edition

Published by McGraw-Hill Education
ISBN 10: 0-07339-817-9
ISBN 13: 978-0-07339-817-4

Chapter 4 - Energy Analysis of Closed Systems - Problems - Page 204: 4-101E

Answer

For the man: $\Delta t = 2.20 h$ For the woman: $\Delta t = 1.74 h$

Work Step by Step

For the man: Intake: 720+400+225=1345 Cal Consumption: 610 Cal/h $\Delta t = 2.20 h$ For the woman: Intake: 330+400+0=730 Cal Consumption: 420 Cal/h $\Delta t = 1.74 h$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions