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Math Help - Urgent! Airplane problem!

  1. #1
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    Urgent! Airplane problem!

    An airplane of mass 8000 kg has a wing area of 400 m2. The speed of air ow is 100 m/sover the top of the wing and 70 m/sbelow the bottom of the wing. Assume the
    density of air varies with height as Rho =Rho
    0*exp(-z/8000m) with Rho0 = 1.3 kg/m^3. (a) What
    is the lift force on the airplane at low altitude? (b) How much load could be carried if

    the plane were to y at an altitude of 5000 m?
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by BearN View Post
    An airplane of mass 8000 kg has a wing area of 400 m2. The speed of air ow is 100 m/sover the top of the wing and 70 m/sbelow the bottom of the wing. Assume the

    density of air varies with height as Rho =Rho0*exp(-z/8000m) with Rho0 = 1.3 kg/m^3. (a) What
    is the lift force on the airplane at low altitude? (b) How much load could be carried if
    the plane were to y at an altitude of 5000 m?

    What form of Bernoulli's principle have you been given to use with this problem?

    CB
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