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P-1 Space Missions — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Space Missions1 Mark
Question
Fill in the blanks and explain the statements with reasoning:
The initial velocity (during launching) of the Mangalyaan must be greater than ………… from the earth.
✓

Answer

The initial velocity (during launching) of the Mangalyaan must be greater than the escape velocity from the earth.
Explanation: If a satellite is to travel beyond the gravitational pull of the earth, its velocity must be more than the escape velocity from the earth.
[Note: The velocity must be atleast equal to the escape velocity. Refer the definition of escape velocity.]

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