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Consider a spherical planet which is rot...

Consider a spherical planet which is rotating about its axis such that the speed of a point on its equator is 'v' and the effective acceleration due to gravity on the equator is `1/3`of its value at the poles. What is the escape velocity for the particle at the pole of this planet?

A

3v

B

2v

C

`sqrt3 v`

D

`sqrt2 v`

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