A planet revolves around the sun in an elliptical orbit. If `v_(p)` and `v_(a)` are the velocities
Channel: Doubtnut
Date: 2020-02-09

A planet revolves around the sun in an elliptical orbit. If `v_(p)` and `v_(a)` are the velocities of the planet at the perigee and apogee respectively, then the eccentricity of the elliptical orbit is given by :