p19_102.pdf

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Chapter 19 - 19.102
10 7 W
where we have used the fact that the surface area of the cube is A =6 A face =6 2 . 0
T 4 =
3 . 8
×
×
10 5 m 2 =
2 . 4
×
10 9 m 2 .
102. Using Eq. 19-40 with T = 323 K and T env = 293 K, we find
P net = σεA T env
Zgłoś jeśli naruszono regulamin