Two cars of masses $m_1$ & $m_2$ are moving along the circular paths of radius $r_1$ & $r_2$ respectively. Their speeds are such that they complete one round in same time. The ratio of angular speeds of two cars is

  • A

    $m_1 : m_2$

  • B

    $r_1 : r_2$

  • C

    $1 : 1$

  • D

     $m_1r_1 : m_2r_2$

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