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NEET Sample Paper NEET Sample Test Paper-10

  • question_answer
    The figure show how the displacement of a particle discribing SUM varies with time. The incorrect statement is:

    A)  the force is zero at time \[\frac{3T}{4}\]

    B)  the velocity is maximum at time \[T/2\]

    C)  the acceleration is maximum at time T

    D)  the potential energy = total energy of time \[T/2\]

    Correct Answer: B

    Solution :

    As, \[F=0\] (i.e. \[a=0\]) when \[Y=0\] Velocity is maximum at \[Y=0\] (i.e. mean position) Potential energy is maximum at \[Y=A\] (i.e. extreme position)


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