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Your mass doesn't matter.
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Use acceleration due to gravity, 10.67 meters/second^2. Then we need to find how fast we need to go to escape the planet, which is the difficult part. Escape velocity is calculated by the equation, sq rt. (2GM/R) where G is gravitational constant (6.67E-11) M is mass of object (planet), and R is radius of object (again, the planet). Input Uranus, work it out, and according to nnsdc.gsfc.nasa.gov, it is about 21.1 km/s That's fast...
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Man that is some -blam!-ing science right there
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I understand basic physics lol, the posters question was purposely misleading, and I didn't feel like looking up how big Uranus is.