What is the fundamental resonance frequency

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A pair of speakers separated by 0.7m are driven by the same oscillator at a frequency of 690 Hz. An observer, originally positioned at one of the speakers, begins to walk along a line perpendicular to the line joining the two speakers. How far must the observer walk before reaching a relative maximum in intensity?

A string with linear mass density of 4x10-3 kg/m is under tension of 360 N and is fixed at both ends. One of its resonance frequencies is 375 Hz. The next higher frequency is 450 Hz

(a) what is the fundamental resonance frequency?

(b) which harmonics are the ones given

(c) what is the length of the string?

Reference no: EM132592278

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