Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 16 - Exercises and Problems: 65

Answer

Please see the work below.

Work Step by Step

We know that according to law of conservation of energy $Q_{water}=-Q_{iron}$ $\implies m_{water} c_{water}\Delta T_{water}=-m_{iron}c_{iron}\Delta T_{iron}$ We plug in the known values to obtain: $(15)(4184)(T_f-20)=(1.1)(447)(550-T_f)$ $T_f=24^{\circ}C$
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