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Back to 16.11 Energy in Waves: Intensity

Astronomy Application

Avg difficulty 2.5

Energy from the Sun arrives at the top of the Earth’s atmosphere with an intensity of 1.30 kW/m 2 . 1.30 \text{ kW}/\text{m }^{2} . How long does it take for 1.8 × 109 J 1.8 \times 10^{9} \text{J } to arrive on an area of 1 . 00 m 2 1 .\text{ } 00 \text{m }^{2}?

OpenStax College Physics 2e, 16.11 Energy in Waves: Intensity, exercise 8

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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.