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

  • question_answer
    The maximum speed of a car on a road?turn of radius 30 m, if the coefficient of friction between the tyres and the road is 0.4, will be                               [CBSE PMT 2000]

    A)             10.84 m/sec

    B)                      9.84 m/sec

    C)             8.84 m/sec

    D)                      6.84 m/sec

    Correct Answer: A

    Solution :

                    \[v=\sqrt{\mu rg}=\sqrt{0.4\times 30\times 9.8}=10.84\,m/s\]


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