A rocket is to be launched from the bottom of a very deep crater on Mars for earth return. The
specific impulse of the rocket, measured in seconds, is to be normalized by the acceleration due to
gravity at
(A) the bottom of the crater on Mars. (B) Mars standard "sea level".
(C) earth's standard sea level. (D) the same depth of the crater on earth.
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2012 Q.23)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Air-Breathing & Rocket Propulsion** under *Propulsion* (1 Mark, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Air-Breathing & Rocket Propulsion equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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