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Molecular velocities of two gases at the...

Molecular velocities of two gases at the same temperature (T) are `u_1` and `u_2`. Their masses are `m_1` and `m_2` respectively. Which of the following expressions is correct at temperature T ?

A

`m_1/u_1^2 =m_2/u_2^2`

B

`m_1u_1=m_2u_2`

C

`m_1/u_1=m_2/u_2`

D

`m_1u_1^2=m_2u_2^2`

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