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NEET NEET SOLVED PAPER 2015 (Re)

  • question_answer
    A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small as compared to the mass of the earth. Then,                                                                                             

    A)  the angular momentum of S about the centre of the earth changes in direction, but its magnitude remains constant

    B)  the total mechanical energy of S varies periodically with time

    C)  the linear momentum of S remains constant in magnitude

    D)  the acceleration of S is always directed towards the centre of the earth

    Correct Answer: D

    Solution :

    As we know that, force on satellite is only gravitational force which will always be towards the centre of earth. Thus, the acceleration of S is always directed towards the centre of the earth.


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