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NEET Sample Paper NEET Sample Test Paper-45

  • question_answer
    The linear momentum of a particle varies with time t as: \[p=a+bt+c{{t}^{2}}.\] Which of the following statements is correct?

    A) Force varies with time in a quadratic manner

    B) Force is time-dependent

    C) The velocity of the particle is proportional to time

    D) The displacement of the particle is proportional to time

    Correct Answer: B

    Solution :

    \[P=a+bt+c{{t}^{2}}\] \[F=\frac{dP}{dt}\,\,=\,\,0+b+2ct\]


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