CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2005

  • question_answer
    When the kinetic energy of a body is doubled, its momentum increases by ...... times.

    A)  \[\sqrt{2}\]                                       

    B)   \[2\]

    C)  \[4\]                                    

    D)  \[2\sqrt{2}\]

    E)  \[\frac{1}{\sqrt{2}}\]

    Correct Answer: A

    Solution :

    \[p=\sqrt{2m{{E}_{k}}}\] If\[{{E}_{k}}\]is doubled then p increases by\[\sqrt{2}\]times.


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