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RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

  • question_answer
    Angular velocity of a wheel is 2 rad/sec calculate the number of rotation of wheel in 5 seconds:

    A)  5/\[\pi \]                            

    B)         1/\[\pi \]                            

    C)  10\[\pi \]                           

    D)         20\[\pi \]

    Correct Answer: A

    Solution :

    Angular velocity \[\omega =2\,rad/s\] \[2\pi n=2\] \[n=\frac{2}{2\pi }=\frac{1}{\pi }\] Number of revolution in \[1\sec =\frac{1}{\pi }\] Number of revolution in \[5\sec =\frac{5}{\pi }\]


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