JEE Advanced · PhysicsMedium
A satellite is orbiting the Earth at a height where is the radius of the Earth. What is the ratio of its orbital speed to the escape velocity from the surface of the Earth?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: D —
Solution
The orbital speed at height is and the escape velocity from the surface is . The ratio simplifies to .
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