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Punjab Medical Punjab - MET Solved Paper-2010

  • question_answer
    A vehicle of mass \[m\] is moving on a rough horizontal road with momentum\[p\]. If the coefficient of friction between the tyres and the road be\[\mu \], then the stopping distance is

    A) \[\frac{p}{2\mu mg}\]                  

    B) \[\frac{{{p}^{2}}}{2\mu mg}\]

    C) \[\frac{p}{2\mu {{m}^{2}}g}\]                   

    D) \[\frac{{{p}^{2}}}{2\mu {{m}^{2}}g}\]

    Correct Answer: D

    Solution :

    Stopping distance\[s=\frac{{{u}^{2}}}{2\mu g}=\frac{{{m}^{2}}{{u}^{2}}}{2\mu g{{m}^{2}}}=\frac{{{p}^{2}}}{2\mu {{m}^{2}}g}\]


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