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20 January, 19:52

What's the pressure and temp of 6694 meters high

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  1. 20 January, 20:10
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    Applying rule of thumb: For every 1000 m, temperature drops by 2 °C. If the ground temperature is room temperature at 20 °C, then:

    At 6694 m, temperature = 20 - (6694/1000*2) = 6.6°C

    Now,

    H = (30t+8000) * ln (C/P), where H = Altitude, t = temperature, C = ground atmospheric pressure, say 101325 Pa, P is the pressure at the altitude.

    Therefore,

    6694 = (30*6.6+8000) ln (C/P) = > 0.8165 = ln (1013255/P) = > e^0.8165 = 101325/P = > 2.2627 = 101325/P = > P = 101325/2.2627 = 44781.39 Pa
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