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Physics, 22.06.2019 13:50, heatherlemaster
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . 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 is the difference between mass density and weight density?
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Which of the following are molecules? a. al b. ag c. mgcl2 d. nacl e. c3h8
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Arocket with a total mass of 330,000 kg when fully loaded burns all 280,000 kg of fuel in 250 s. the...
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