(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

2. Relevant equations

2ΔEk=-ΔEp

3. The attempt at a solution

-Gm1m2(1/r1-1/r2)-Q=mv^{2}

plug in given values solve for v.

my answer is 5.35x10^{6}m/s

given answer is 2100m/s

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# Homework Help: Gravitation and velocity problem

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