``` * **Reasoning:** Includes the website name for branding, the specific exam (GATE 2017 Aerospace), the core topic (Rocket Propellant Mass, Escape Velocity), and the question number (Q49) for specificity, all within a good character limit for search results. **2. Meta Description:** ```html ``` * **Reasoning:** Clearly states the purpose (solve question, calculate propellant mass), includes key numerical parameters (10,000 kg, 450s, 11 km/s) which are highly relevant to users searching for this problem, mentions the underlying principle (Tsiolkovsky rocket equation), and targets exam preparation. **3. Meta Keywords:** ```html ``` * **Reasoning:** Expands on the provided keyword to include broader, more descriptive terms related to the problem. It covers the exam context, the specific concepts, and the overall field, enhancing discoverability. **4. H1 Tag (Main Heading for the Page Content):** ```html

GATE 2017 Aerospace Engineering Question 49: Propellant Mass for Rocket to Reach Escape Velocity

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Aerospace Engineering > GATE 2017 > Rocket Propulsion

A single stage chemical rocket, having an initial mass of 10,000 kg and specific impulse of 450 s, is launched from the surface of the earth and has to reach the escape velocity (11 km/s) at burn out. Consider g_e=9.8m/s² If the atmospheric drag and the effect of gravity are to be neglected, the mass of propellant to be carried by the rocket is equal to _______ kg (in one decimal place).

Correct : 9100.0 to 9200.0

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