JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Kinetic Friction

  • question_answer
    Consider a car moving on a straight road with a speed of 100 m/s. The distance at which car can be stopped is \[[{{\mu }_{k}}=0.5]\]                                  [AIEEE 2005]

    A)             100 m 

    B)             400 m

    C)             800 m 

    D)             1000 m

    Correct Answer: D

    Solution :

                    \[s=\frac{{{u}^{2}}}{2\mu \ g}=\frac{{{(100)}^{2}}}{2\times 0.5\times 10}=1000\ m\]


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