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NTSE Sample Paper NTSE SAT Practice Test-16

  • question_answer
    A cyclist moving on a circular track of radius 40m completes half a revolution in 40 sec. Its average velocity is

    A) Zero                             

    B) 2 m/sec

    C) 4 n m/sec          

    D) 8 k m/sec

    Correct Answer: B

    Solution :

    [b] \[Average\text{ }velocity\text{ }=\frac{Displacement}{~time}\] \[=\frac{\overline{r}+\overline{r}}{t}\] \[=\frac{2\times 40}{40}\] = 2m/sec


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