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4. Let us approximate the wing of the Concord airplane by a triangle with a span of 25.6m and a root chord of 27.6 m. Calculate the wing aspect ratio,

wing area, and lift lineslope Ca (based on the equation given for slender wings). Suppose the airplane takes offat a = 17 deg and at a speed of 300 km/hr- then estimate its weight. (use p= 1.2 kg/m')

Fig: 1