RAJASTHAN ­ PET Rajasthan PET Solved Paper-2004

  • question_answer
    The angular speed of minute needle in a watch

    A)  \[\frac{\pi }{21600}rad/s\]

    B)  \[\frac{\pi }{12}rad/s\]

    C)  \[\frac{\pi }{3600}rad/s\]

    D)  \[\frac{\pi }{1800}rad/s\]

    Correct Answer: D

    Solution :

     \[W=\frac{2\pi }{T}=\frac{2\pi }{60\times 60}=\frac{\pi }{1800}rad/s\]


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