At the same temperature,the root mean square velocities of two gases are $v_1$ and $v_2$,and their molar masses are $m_1$ and $m_2$ respectively. Which of the following relations is correct?

  • A
    $\frac{m_1}{v_1^2} = \frac{m_2}{v_2^2}$
  • B
    $m_1v_1 = m_2v_2$
  • C
    $\frac{m_1}{v_1} = \frac{m_2}{v_2}$
  • D
    $m_1v_1^2 = m_2v_2^2$

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