Question: Question 8 Consider the drag value (D) versus velocity (V) data for an aerofoil of an aeroplane model's Not yet wing in the following table.

Question 8 Consider the drag value (D) versus velocity (V) data for an aerofoil of an aeroplane model's Not yet wing in the following table. answered Velocity, V (km/h) Marked out of Drag, D (Newton) 35.00 30 445.215 P Flag question 60 204.981 90 100.468 120 113.889 150 152.593 180 253.982 1. Develop a best-fit equation for the relationship between the two parameters employing the Naive Gauss Elimination method. 2. Determine the optimum velocity that leads to a minimum drag using any suitable optimization method. Anywhere applicable, use a stopping criterion of 2%. ANSWERS: 1. Equation: D = V/2 2. Voptimum = km/h, corresponding Dminimum = Newton

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