Question

Proof of kepler first laws of motion or law of planetary motion in Gravitational . plz reply soon ????????.anyone else

Answer 1

a = v-u/t
at = v-u
at+u= v
v=u+at
hence proved

Answer 2

Kepler's first law of planetary motion says that a planet revolves in a fixed elliptical orbit keeping it centre at one of the focus of the orbit.