Physics

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Jill screams and hears her echo 4.4 seconds later. How far from the canyon wall is she if the air temperature is 25 degree C?

  • Physics -

    2s=vt
    s=vt/2=345•4.4/2=759 m

  • Physics -

    Vs= 331.5m/s + (0.6 * 25c) = 346.5m/s

    D=Vsound * t/2

    D= 346.5 m/s * 4.4sec/2 = 762.3 m

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