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A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth. Then, : |
The acceleration of S is always directed towards the centre of the earth The angular momentum of S about the centre of the earth changes in direction, but its magnitude remains constant The total mechanical energy of S varies periodically with time The linear momentum of S remains constant in magnitude |
The acceleration of S is always directed towards the centre of the earth |
Mass of satellite is very small. Centre of mass of system coincides with centre of earth. |
