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Question 2,20 Fomil The wing planform are and the gross w ight of the Seversky P.35 aircraft are 20.44m^2 and 2540 kg respectively. Culculate the Thrust ford required for the P.35 to fly in steady level flight with C_(1)=0.15 and CD=0.0275 at standard sea level (rho _(infty )=1.23kg/m^3)
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To calculate the thrust force required for the Seversky P.35 aircraft to fly in steady level flight, we can use the following formula:Thrust force = (1/2) * air density * velocity^2 * wing area * lift coefficientGiven information:- Wing planform area (A) = 20.44 m^2- Gross weight (W) = 2540 kg- Lift coefficient (C1) = 0.15- Drag coefficient (CD) = 0.0275- Standard sea level air density (ρ∞) = 1.23 kg/m^3To find the velocity, we can use the lift equation:Lift (L) = W * gWhere:- Lift (L) is the force exerted by the air on the wing- W is the weight of the aircraft- g is the acceleration due to gravity (approximately 9.81 m/s^2)Substituting the values, we get:Lift (L) = 2540 kg * 9.81 m/s^2 = 24854.4 NNow, we can calculate the velocity using the lift equation:Lift (L) = (1/2) * ρ∞ * V^2 * A * C1Solving for V, we get:V = sqrt((2 * L) / (ρ∞ * A * C1))V = sqrt((2 * 24854.4 N) / (1.23 kg/m^3 * 20.44 m^2 * 0.15))V ≈ 69.6 m/sNow, we can calculate the thrust force required for the P.35 to fly in steady level flight:Thrust force = (1/2) * ρ∞ * V^2 * A * CDThrust force = (1/2) * 1.23 kg/m^3 * (69.6 m/s)^2 * 20.44 m^2 * 0.0275Thrust force ≈ 1231.6 NTherefore, the thrust force required for the Seversky P.35 aircraft to fly in steady level flight at standard sea level is approximately 1231.6 N.