An electromagnetic wave is traveling in a vacuum. At a particular instant for this wave, E = [(85.0)î + (34.0)ĵ + (-68.0)k] N/C, and B = [(0.100)î + (0.040)j + (0.145)k] µT. (a) Calculate the following quantities. (Give your answers, in µT · N/C, to at least three decimal places.) EBx = HT · N/C HT : N/C EBy EBz UT · N/C EBx + E,B, + EB, UT · N/C Are the two fields mutually perpendicular? How do you know? Yes, because their dot product is not equal to zero. O No, because their dot product is not equal to zero. O Yes, because their dot product is equal to zero. O No, because their dot product is equal to zero. (b) Determine the component representation of the Poynting vector (in w/m2) for these fields. W/m2

An electromagnetic wave is traveling in a vacuum. At a particular instant for this wave, E = [(85.0)î + (34.0)ĵ + (-68.0)k] N/C, and B = [(0.100)î + (0.040)j + (0.145)k] µT. (a) Calculate the following quantities. (Give your answers, in µT · N/C, to at least three decimal places.) EBx = HT · N/C HT : N/C EBy EBz UT · N/C EBx + E,B, + EB, UT · N/C Are the two fields mutually perpendicular? How do you know? Yes, because their dot product is not equal to zero. O No, because their dot product is not equal to zero. O Yes, because their dot product is equal to zero. O No, because their dot product is equal to zero. (b) Determine the component representation of the Poynting vector (in w/m2) for these fields. W/m2

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

Section24.4: Energy Carried By Electromagnetic Waves

Problem 24.2QQ

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