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
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
- A
the acceleration of $S$ is always directed towards the centre of the earth
- B
the angular momentum of $S$ about the centre of the earth changes in direction, but its magnitude remains constant
- C
the total mechanical energy of $S$ varies periodically with time
- D
the linear momentum of $S$ remains constant in magnitude
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