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Solved: A radio antenna broadcasts a 1.0 MHz radio wave

Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition | ISBN: 9780134081496 | Authors: Randall D. Knight (Professor Emeritus) ISBN: 9780134081496 191

Solution for problem 31.46 Chapter 31

Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition

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Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition | ISBN: 9780134081496 | Authors: Randall D. Knight (Professor Emeritus)

Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition

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Problem 31.46

A radio antenna broadcasts a 1.0 MHz radio wave with 25 kW of power. Assume that the radiation is emitted uniformly in all directions. a. What is the waves intensity 30 km from the antenna? b. What is the electric field amplitude at this distance?

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15.1 The Wave Model • Traveling wave Organized disturbance that travels with a well defined wave speed • Mechanical waves Waves that involve motion of a substance through which they move the medium ‣ Medium of water wave: water ‣ Of sound: air ‣ Of stretched string is the string ‣ Causes displacement from Equilibrium Wave speed ‣ Speed with which a ripple moves across the water or pulse traveling down a string ‣ Wave transfers energy but the medium does not travel Electromagnetic and matter waves ‣ Electromagnetic don't require a material medium and travels through a vacuum ‣ Light travels through space transverse and longitudinal waves ‣ Transverse when

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Chapter 31, Problem 31.46 is Solved
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Textbook: Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36)
Edition: 4
Author: Randall D. Knight (Professor Emeritus)
ISBN: 9780134081496

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Solved: A radio antenna broadcasts a 1.0 MHz radio wave