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Mathematics, 11.04.2020 04:26 jacamron
A wave emitted from a source has a frequency of 10 Hz and wavelength 2.5 m. How much time will it take to reach a person located 5 m from the source?
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A wave emitted from a source has a frequency of 10 Hz and wavelength 2.5 m. How much time will it ta...
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