In the standing wave experiment the length of the string is, Ask an Expert

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In the standing wave experiment, the length of the string is 1.400 m. When a mass of 80 grams is hung, the 7th harmonic is obtained. If the linear density of the string is 7.65x10^-4 and wave velocity is 32m/sec, find the frequency of the vibrator. Please show work.

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