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samp15 - f v L v v f L L f m L L f m L Lf m = = = = = = = =...

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SAMPLE PROBLEM (Class 15) ANS. a) The fundamental frequency of a pipe that is closed at one end is given by, f v L f = = = 4 343 715 m / s 4(1.20 m) Hz . b) The fundamental frequency of the wire is the same as that of the tube. The formula for its frequency is,
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Unformatted text preview: f v L v v f L L f m L L f m L Lf m = = = = = = = = 2 1 2 4 4 4 4 0 330 0 00960 2 2 2 2 2 , where is given by , so and However, , so m)(71.5 Hz) kg) 2 τ μ ( . ( . = 64.8 N ¯¯¯¯¯¯¯¯¯...
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