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MMLU-Pro / 9262 / The second cosmic velocity (or escape velocity) is the speed required by an…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

The second cosmic velocity (or escape velocity) is the speed required by an object to escape the gravitational field of a celestial body with mass M and radius R. Which formula correctly calculates this velocity? (G: gravitational constant)

category

physics

options

  1. v = 2sqrt(GM/R)
  2. v = sqrt(GM/2R)
  3. v = sqrt(2GM/R)
  4. v = sqrt(GM*R)
  5. v = sqrt(GM/R)
  6. v = sqrt(GM)
  7. v = 2GM/R
  8. v = sqrt(GM/2)
  9. v = 2sqrt(2GM/R)
  10. v = sqrt(2GM)

src

ori_mmlu-astronomy

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Source and history

Official source

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