Physics, 12.07.2019 23:30 edmundg2238
An acoustic signal is composed of the first three harmonics of a wave of fundamental frequency 425 hz. if these harmonics are described, in order, by cosine waves with amplitudes of 0.630, 0.900, and 0.650, what is the total amplitude of the signal at time 0.825 seconds? assume the waves have phase angles θn = 0.
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An acoustic signal is composed of the first three harmonics of a wave of fundamental frequency 425 h...
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