Physics

Problem

A planet has orbital eccentricity

e=0.20

. If its speed at aphelion is

30\,\text{km\,s}^{-1}

, find its speed at perihelion. a)

36\,\text{km\,s}^{-1}

45\,\text{km\,s}^{-1}

24\,\text{km\,s}^{-1}

37.5\,\text{km\,s}^{-1}