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EAMCET Medical EAMCET Medical Solved Paper-2010

  • question_answer
    Two particles A and B initially at rest move towards each other under a mutual force of attraction. At the instant when the velocity of A is v and that of B is 2v. The velocity of centre of mass of the system is

    A)                  zero                                     

    B)                  v

    C)                  2v                                         

    D)                  3v

    Correct Answer: A

    Solution :

                     Initially both particles were at rest so \[{{v}_{cm}}=0.\] As external force on the system is zero. Therefore velocity of centre of mass remain unaffected.


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