A system proposed by the U. S. Navy for underwater submarine communication, called ELF (for extremely low frequency, operates with a frequency of 76 Hz. What is the wavelength of this radiation in meters? In miles? (I mile=1.61 km) What is the energy in joules of the frequency?
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7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '
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In which block of the periodic table is uranium (u) found? s blockd blockp blockf block
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The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
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A system proposed by the U. S. Navy for underwater submarine communication, called ELF (for extremel...
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