For the electromagnetic field described by the equations below, show (a) under what conditions of ω and k does the field satisfy maxwell’s equations? and (b), suppose that ω = 1010 s−1 and e0 = 10 kv/m. what is the wavelength? what is the energy density in joules per cubic meter, averaged over a large region? from this calculate the power density, the energy flow in joules per square meter per second.
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Physics, 22.06.2019 11:00, taylorwhitfield6
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Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal
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A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.
Answers: 1
For the electromagnetic field described by the equations below, show (a) under what conditions of ω...
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