Question:medium

What is the formula for the escape velocity of a body from Earth's surface?

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Escape velocity depends only on the planet's gravity and radius. For Earth, its approximate value is $11.2\,km/s$.
Updated On: Apr 23, 2026
  • $\sqrt{gR}$
  • $\sqrt{2gR}$
  • $\sqrt{g/2R}$
  • $2gR$
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The Correct Option is B

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