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March 26, 2017

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Find the temperature at which the velocity of sound in air is 1.25 times the velocity of sound at 0 degree centigrade.

  • physics - ,

    v = 331 m/s • sqrt (1 + T/273)
    1.25•331 =331• sqrt (1 + T/273)
    1+T/273 = 1.25²=1.56
    T/273 = 1.56-1=0.56,
    T=273•0.56 =153ºC

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