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1. |
For α=5°, A0=1 and A1=-2 total circulation Γ for a thin cambered airfoil equals______ |
A. | 0 |
B. | 2πcV∞ |
C. | πcV∞ |
D. | 2.5πcV∞ |
Answer» B. 2πcV∞ | |