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joemama69
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Homework Statement
A comet of the star Sol has an eccentricity of .7. It takes 200 yrs to complete on orbit
1)find the average distance of the comet from Sol.
2) Find the perihelion and aphelion distances from Sol
3)find the velocity of the comet at perihelion
Homework Equations
The Attempt at a Solution
1) i know ecentricity = (F(2) - F(1))/c where F is the foci and c is the major axis how does this help me