Question Statement:
The arc length of the parametric curve: x = cos 𝜃 , y = sin 𝜃 , z = 𝜃 from 𝜃 = 0
to 𝜃 = 2𝜋 is equal to ________ (round off to one decimal place).
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2022 Q.31)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (1 Mark, 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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