Answer
$204$ $W$
Work Step by Step
The formula for radiation energy is $\sigma \epsilon A T^4$. Plugging in values, we get $5.67 * 10^-8 * 0.85 * \frac{4}{3} *\pi * (0.5)^3 * (300)^4$ = $204$ $W$
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: 51a
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