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Does the formula $v = \sqrt{GM/r}$ work for elliptical planetary orbits?
Suppose we have a central mass $M$ and a smaller mass $m$ orbiting around the central mass in an ellipse:
The other point is the other focus. We know that elliptical orbits have the central mass in ...
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Where does the radial velocity component come from?
Any object under the influence of a central force will have two components of velocities: Radial and rotational
I understand that the rotational velocity is there due to the centripetal force.
But ...
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