Chemistry
Chemistry, 11.03.2020 02:25, anjah

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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A system proposed by the U. S. Navy for underwater submarine communication, called ELF (for extremel...

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