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53. If a single-stage rocket, fired vertically from rest at the Earth's surface, burns its fuel in a time of , and the relative velocity , what must be the mass ratio for a final velocity of (nearly equal to the orbital velocity of an Earth satellite )? [Ans. 15.9]
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Question Text | 53. If a single-stage rocket, fired vertically from rest at the Earth's surface, burns its fuel in a time of , and the relative velocity , what must be the mass ratio for a final velocity of (nearly equal to the orbital velocity of an Earth satellite )? [Ans. 15.9]
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Updated On | Dec 30, 2022 |
Topic | Mechanics |
Subject | Physics |
Class | Class 11 |
Answer Type | Video solution: 2 |
Upvotes | 155 |
Avg. Video Duration | 6 min |