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OpenStudy (jazzyluvsu123):

A sound wave has a speed of 345 m/sec and a wavelength of 500 meters. is this wave infrasonic, sonic, or ultrasonic? Plz help me work this out medal & fan

OpenStudy (mrnood):

first work out the frequency of the wave f = speed/wavelength sonic waves have frequencies between approx. 20 Hz and 20 kHz infrasonic is lower frequency ultrasonic is higher frequency

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