Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 18 - Temperature, Heat, and the First Law of Thermodynamics - Problems - Page 548: 106

Answer

$7253280$ $J$ = $7.25 MJ$

Work Step by Step

Each second, the room gains $4 * 100 *0.73 = 292 J$ of heat. After $6.9 * 3600 = 24840$ seconds, $24840 * 292 =7253280$ $J$ of heat are added to the room.
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