A planet orbits in an elliptical path of eccentricity e around a massive star considered fixed at one of the foci. The point in space where it is closest to the star is denoted by P and the point where it is farthest is denoted by A. Let Vp and VA be the respective speeds at P and A, Then - VgyanHub

Question:

A planet orbits in an elliptical path of eccentricity e around a massive star considered fixed at one of the foci. The point in space where it is closest to the star is denoted by P and the point where it is farthest is denoted by A. Let V_p and V_A be the respective speeds at P and A, Then

Options :

(a) VP/VA= 1+e/1-e
(b) VP/VA= 1
(c) VP/VA= 1+e^2/1-e
(d) VP/VA= 1+e^2/1-e^2

Answer :

(a) V_P/V_A= 1+e/1-e

Answer Steps :

step 1

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