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: 63

Answer

a) 1200 K b) 700 K

Work Step by Step

a) We know the equation for the temperature: $T_f=\sqrt[4] {T_0^4 +\frac{P}{e\sigma A}}$ $T_f=\sqrt[4] {300^4 +\frac{50}{(1)(5.67\times10^{-8})((.05)(.005)+(.05)(1\times10^{-4})+(.005)(1\times10^{-4})}}\\T_f=1200 K $ b) We find: $T_f=T_0+RP=300+(8)(50)=700 \ K$
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