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Two masses `m_1` and `m_2` are connected by a light rod of length I. If rod is rotating about an axis with angular speed `Omega`. Such that its kinetic energy is minimum then its K.E. is

A

`[1/2 (m_1m_2 l^2) /(m_1+ m_2) omega^2]`

B

`[1/2(m_1omega^2 l^2)]`

C

`[1/2 (m_1+ m_2) l^2 / (m_1m_2 ) omega^2]`

D

`[1/2(m_1 + m_2)omega^2 l^2]`

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