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Physics, 21.06.2019 13:30
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute
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What are similarities and differences of reflection, refraction, diffraction and absorption?
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Physics, 22.06.2019 12:20
The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.
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When bowling, the angle of the ball and momentum is the key factor. Explain how this works using wha...
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