J & K CET Medical J & K - CET Medical Solved Paper-2011

  • question_answer
    For a moving particle (mass m, velocity v) having a momentum p, which one of the following correctly describes the kinetic energy of the particle?

    A)                 \[\frac{{{p}^{2}}}{2m}\]                               

    B)  \[\frac{p}{2m}\]

    C)                  \[\frac{{{v}^{2}}}{2m}\]                                               

    D)  \[\frac{v}{2m}\]

    Correct Answer: A

    Solution :

                     Kinetic energy of particle\[=\frac{1}{2}m{{v}^{2}}\]or \[K=\frac{p}{2m}\]   \[[\because p<mv]\]


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