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NEET Physics NLM, Friction, Circular Motion NEET PYQ-NLM Friction Circular Motion

  • question_answer
    Two particles A and B are moving in uniform circular motion in concentric circles of radii \[{{r}_{A}}\]and \[{{r}_{B}}\]with speed \[{{v}_{A}}\]and \[{{v}_{B}}\]respectively. Their time period of rotation is the same. The ratio of angular speed of A to that of B will be: [NEET 2019]

    A) \[{{r}_{B}}:{{r}_{A}}\]

    B) 1 : 1

    C) \[{{r}_{A}}:{{r}_{B}}\]

    D) \[{{v}_{A}}:{{v}_{B}}\]

    Correct Answer: B

    Solution :

    [b]  \[\omega =\frac{2\pi }{T}\]
    T \[\to \] same
    \[{{\omega }_{1}}={{\omega }_{2}}\]
    1 : 1


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