Velocity of a point on the equator of a rotating spherical planet is v. The angular velocity of the planet is such that, the value of g at the equator is half of g at the pole. Determine the escape velocity for a polar particle on the planet as a function of v

Q: Velocity of a point on the equator of a rotating spherical planet is v. The angular velocity of the planet is such that, the value of g at the equator is half of g at the pole. Determine the escape velocity for a polar particle on the planet as a function of v

(a) 6v

(b) 2v

(c) 4v

(d) 3v

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Ans: (b)