Questions
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 linear momentum of S remains constant in magnitude.
b
the acceleration of S is always directed towards the centre of the earth.
c
the angular momentum of S about the centre of the earth changes in direction, but its magnitude remains constant.
d
the total mechanical energy of S varies periodically with time.
detailed solution
Correct option is B
The gravitational force on the satellite S acts towards the centre of the earth, so the acceleration of the satellite S is always directed towards the centre of the earth.Talk to our academic expert!
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