An aircraft with a gross weight of 2000 kg , has a speed of 130 m/s at sea level, where the
conditions are: 1 atmosphere (pressure), 288 K (temperature), and 1.23 kg/m3 (density). The
speed (in m/s) required by the aircraft at an altitude of 9000 m, where the conditions are:
0.31 atmosphere, 230 K, and 0. 47 kg/m3, to maintain a steady, level flight is ________
(accurate to two decimal places).
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2018 Q.42)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (2 Marks, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Structural Mechanics equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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