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Question 6252
NEET Physics · Hard

Gravitation: Orbital Mechanics MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Orbital MechanicsHardQuestion 6252

Question

KE of satellite in circular orbit (mass m, radius r):
  1. A
    GMm/r
  2. B
    GMm/2r
    Correct
  3. C
    GMm/2r²
  4. D
    2GMm/r

Correct answer

GMm/2r

Explanation

mv²/r = GMm/r². v² = GM/r. KE = ½mv² = GMm/2r.

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