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Unformatted text preview: f a and a lower frequency from the fork that she is departing from, f d . The beat frequency will be the difference between these two frequencies. = =--+ =-= m/s 343 m/s) . 30 ( 2 Hz) 440 ( 2 v v f v v v f v v v f f f f D D D d a beat f beat = 77.0 Hz...
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- Spring '06