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: 62

Answer

Please see the work below.

Work Step by Step

We know that $P_{net}=e\sigma A(T_2^4-T_1^4)$ We plug in the known values to obtain: $P=(1)(5.7\times 10^{-8})(0.0325)((900)^4-(300)^4)$ $P=1200W$ Now we can find the fraction as $\frac{1200}{1500}=0.80$
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