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physics

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(a) Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 126 m/s, and along the bottom surface with a speed of 101 m/s.
kPa

(b) If the area of the wing is 30 m2, what is the net upward force exerted on the wing?
kN

  • physics - ,

    (a) (1/2)*(air density)*(V2^2 - V1^2)

    Pressure is highest on the surface with lowest air velocity (the bottom of the wing)

    (a) (Pressure difference) x (wing area)

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