Answer
$175$ $W$
Work Step by Step
The net intake of radiation energy is $\sigma \epsilon A({T_1}^4-{T_2}^4)$. Plugging in values, we get $5.67 * 10^{-8} *0.850 * \frac{4 \pi (0.5)^3}{3} (350^4-300^4)$ = $175$ $W$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
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 544: 51c
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