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: 4-98

Answer

His hunger strike can last for at most 91 days.

Work Step by Step

The energy content of fat is 33.1 MJ/kg, hence for 20kg of fat: 662 MJ The basal metabolic rate is 72 Cal/h, which is 7.23 MJ/day. So the fat energy can last for 91.50 days. His hunger strike can last for at most 91 days.
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.