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UPSC Physics Work, Energy And Power / कार्य, ऊर्जा एवं शक्ति Question Bank Laws of Motion, Force, Work, Energy and Power, Centre of Mass

  • question_answer
          Two masses m and 9 m are moving with equal kinetic energies. The ratio of the magnitudes of their momenta is

    A) 1 : 1                 

    B)      1 : 3

    C) 3 : 1                 

    D)      1 : 9

    Correct Answer: B

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