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14.7 Exercise 9

Avg difficulty 2.5

At what net rate does heat radiate from a 275-m2\text{275} -\text{m}^{2} black roof on a night when the roof’s temperature is 30.0ºC\text{30}. 0º \text{C} and the surrounding temperature is 15.0ºC\text{15}. 0º \text{C}? The emissivity of the roof is 0.900.

OpenStax College Physics 2e, 14.7 Radiation, exercise 9

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.