Question: 1 1 . e = 0 . 9 3 is the emissivity of a typical asphalt surface. On a clear summer day the temperature of

11. e =0.93 is the emissivity of a typical asphalt surface. On a clear summer
day the temperature of the asphalt and environment is 25o C in the shade.
Calculate the power absorbed from the environment by one square meter of
asphalt.
12. On the same summer day in problem 6 the additional solar energy absorbed
by one square meter of asphalt out in the sun is 510W. Calculate the
temperature that this square meter of asphalt has at equilibrium.
(P total absorbed = P env + P sun )

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