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Gravitation question

2023 · 1 Feb · Shift 1 · Q50
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Gravitation question

2023 · 1 Feb · Shift 1 · Q50

JEE MainPhysicsGravitationMCQ+4 / −1
If earth has a mass nine times and radius twice to that of a planet P. Then ve3x ms−1\frac{v_{e}}{3} \sqrt{x} \mathrm{~ms}^{-1}3ve​​x​ ms−1 will be the minimum velocity required by a rocket to pull out of gravitational force of P\mathrm{P}P, where vev_{e}ve​ is escape velocity on earth. The value of xxx is
  1. A
    1
  2. B
    3
  3. C
    2
  4. D
    18
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