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Question 1 of 10

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Q1

Maximum L/D ratio on the polar curve:

A Is found by drawing a tangent line from the origin to the polar curve — this gives the most efficient operating point

B Occurs at the point of maximum lift coefficient on the polar curve, where the wing is operating at its highest possible CL

C Is found at the zero angle of attack condition, where the drag coefficient is at its absolute minimum value on the curve

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