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JEE Main & Advanced Physics Two Dimensional Motion Question Bank Uniform Circular Motion

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    The coefficient of friction between the tyres and the road is 0.25.  The maximum speed with which a car can be driven round a curve of radius 40 m without skidding is (assume \[g=10m{{s}^{2}}\])                 [Kerala (Med.) 2002]

    A)             \[40m{{s}^{1}}\]

    B)                      \[20m{{s}^{1}}\]

    C)             \[15m{{s}^{1}}\]

    D)                      \[10m{{s}^{1}}\]

    Correct Answer: D

    Solution :

                    \[v=\sqrt{\mu rg}=\sqrt{0.25\times 40\times 10}=10\,m/s\]


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