Revision as of 18:58, 4 February 2020 by Boqu(talk | contribs)(Created page with ": $$\frac{d\theta}{dt} \propto \frac{1}{r^2}$$ == Resources: == *[https://en.wikipedia.org/wiki/Kepler's_laws_of_planetary_motion#Second_law_of_Kepler Kepler's 2nd law] ==...")