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a sound wave has a freqency …

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a sound wave has a freqency 2hz and wavelength 40 how long will it take to travel 1.6 km

    • Posted by Vijay Rawat 7 years, 1 month ago

    CBSE > Class 09 > Science
    • 1 answers

    Tannu Bhardwaj 7 years, 1 month ago

    Speed=frequency × wavelet V= 2×40 V=80m/s Distance(s)=1.6km=1600m s = v×t t=d/v t=1600/80 t=20sec

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