The intensity of electromagnetic waves from the sun is 1.4 kW/m² just above the earth's atmosphere. Eighty percent of this reaches the surface at noon on a clear summer day. Suppose you think of your back as a 32.0 cm x 49.0 cm rectangle. Part A How many joules of solar energy fall on your back as you work on your tan for 1.20 hr? Express your answer with the appropriate units. μᾶ Value Units ? Units input for part A

The intensity of electromagnetic waves from the sun is 1.4 kW/m² just above the earth's atmosphere. Eighty percent of this reaches the surface at noon on a clear summer day. Suppose you think of your back as a 32.0 cm x 49.0 cm rectangle. Part A How many joules of solar energy fall on your back as you work on your tan for 1.20 hr? Express your answer with the appropriate units. μᾶ Value Units ? Units input for part A

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter24: Electromagnetic Waves

Section: Chapter Questions

Problem 61P

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