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BVP Medical BVP Medical Solved Paper-2012

  • question_answer
    The ratio of radii of gyration of a circular disc and a circular ring of the same radii and same mass about a tangential axis in the plane is

    A)  \[4m/s\]                            

    B)  \[2m/s\]

    C)  \[1m/s\]                            

    D)  \[10m/s\]

    Correct Answer: B

    Solution :

                    \[{{r}_{B}}\] \[{{v}_{A}}\] \[{{v}_{B}}\] \[\frac{{{v}_{A}}}{{{v}_{B}}}\] \[\frac{{{r}_{B}}}{{{r}_{A}}}\]      \[\frac{{{r}_{A}}}{{{r}_{B}}}\]                                 \[\frac{r_{A}^{2}}{R_{B}^{2}}\]


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