Question:
A comet travels around sun in elliptical orbit Its mass is
Last updated: 6/9/2023
A comet travels around sun in elliptical orbit Its mass is 105 kg When it is 2 5 x 1010 m away its speed is 2 x 10 m s The change in kinetic energy when it has reached 5 10 m away from sun is velocity and position vector of comet is perpendicular to each other at both instant 3 2 x 107 J 2 4 10 J 2 5 x 1013 J 4 8 x 10 2 J