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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2015
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Q)

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

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