Consider a finite wing of aspect ratio 10 with span effectiveness factor 0.95. Its
airfoil section has a lift slope of 0.106 per degree and a zero-lift angle of attack of
-1.5°. The lift coefficient of the wing at an angle of attack of 3.5° is ________
(rounded off to 2 decimal places).
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2026 Q.56)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Incompressible & Compressible Aerodynamics** under *Aerodynamics & Fluid Mechanics* (2 Marks, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Incompressible & Compressible Aerodynamics equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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