Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
22
Electromagnetic Waves
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22-1: B Produced by Changing E
22-2: EM Waves
22-3: Electromagnetic Spectrum
22-4: Measuring the Speed of Light
22-5: Energy in EM Wave
22-6: Radiation Pressure
22-7: Radio, TV

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 42
Q

A satellite beams microwave radiation with a power of 13 kW toward the Earth’s surface, 550 km away. When the beam strikes Earth, its circular diameter is about 1500 m. Find the rms electric field strength of the beam.

A
1.7 N/C1.7 \textrm{ N/C}
Giancoli 7th Edition, Chapter 22, Problem 42 solution video poster
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