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1. |
Find the induced velocity in the direction normal to the camber line a point on where the slope is 0.087. Given the angle of attack is 5° and free-stream velocity is 20 units. Use thin airfoil approximation. |
A. | 0 |
B. | 101.74 units |
C. | 98.26 units |
D. | 3.48 units |
Answer» B. 101.74 units | |