The following expressions of electric and magnetic fields describe an electromagnetic wave traveling at speed c in the positive x-direction. 2л E(x, y, z,t) = E,(x,t) j = E, , sin(- -"-(x-ct))} 2л 1 В(х, у, z,1) — В. (х,1)k 3D — E,0 sin((*-cl)k a) Determine the Poytning vector associated with this wave. b) Briefly explain the physical meaning of Poynting vector.

The following expressions of electric and magnetic fields describe an electromagnetic wave traveling at speed c in the positive x-direction. 2л E(x, y, z,t) = E,(x,t) j = E, , sin(- -"-(x-ct))} 2л 1 В(х, у, z,1) — В. (х,1)k 3D — E,0 sin((*-cl)k a) Determine the Poytning vector associated with this wave. b) Briefly explain the physical meaning of Poynting vector.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

The following expressions of electric and magnetic fields describe an
electromagnetic wave traveling at speed c in the positive x-direction.
2л
E(x, y, z,t) = E,(x,t) j = E, , sin(-
-"-(x-ct))}
2л
1
В(х, у, z,1) — В. (х,1)k 3D — E,0 sin((*-cl)k
a)
Determine the Poytning vector associated with this wave.
b) Briefly explain the physical meaning of Poynting vector.

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