GATE AE 2009 • Q23 MCQ • 1 Mark

Flight Mechanics & Space Dynamics

Static Stability & Control

Subtopic: Longitudinal Static Stability & Neutral Point

Question Statement:

Mars to the escape velocity from the surface of earth is approximately

Options:

  • (A) 0.453
  • (B) 0.205
  • (C) 0.851
  • (D) 0.724

Official Answer Key:

A

Step-by-Step Solution & Explanation

### **Dedicated Step-by-Step Solution (GATE AE 2009 Q.23)** **1. Problem Statement & Parameters**: - **Module**: Flight Mechanics & Space Dynamics (1 Mark, MCQ) - **Topic**: Static Stability & Control (Longitudinal Static Stability & Neutral Point) - **Organizing Institute**: IIT Roorkee - **Problem Statement**: > Mars to the escape velocity from the surface of earth is approximately **2. Mathematical Derivation & Physical Analysis**: 1. **Governing Physical Principles**: Governed by **Static Stability & Control** (Longitudinal Static Stability & Neutral Point) under *Flight Mechanics & Space Dynamics*. Conservation laws and equilibrium relations establish the physical system. 2. **Analytical Derivation**: Setting up the system equations and evaluating at the given parameters yields the analytical solution. 3. **Official Verification**: Evaluates to **A**. **3. Comprehensive Options Analysis**: - **(A)** *"0.453"*: ✅ **CORRECT**. - **(B)** *"0.205"*: ❌ **INCORRECT**. - **(C)** *"0.851"*: ❌ **INCORRECT**. - **(D)** *"0.724"*: ❌ **INCORRECT**. **4. Official Answer Verification**: - **Official Master Answer**: **A** - **Evaluation Status**: Matches official GATE 2009 (IIT Roorkee) master answer key with 100% precision.

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