What is the escape velocity for an object

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Inertialforce
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Homework Statement


What is the escape velocity for an object on the surface of a 1.9x10^27kg planet of radius 7.2x10^7m?


Homework Equations


Ve = √2GM/r



The Attempt at a Solution


What I did was take the values for the mass and radius directly from the question then I plugged them into the above equation and the answer I got is 5.9x10^4m/s.

I was just wondering is this correct or am going wrong somewhere because it seems like there is more to this question?
 
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There's not much to this problem, is there. :)

I would say one thing, for future reference, keep an eye on the units.