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Two particles of masses m1 and m2 are jo...

Two particles of masses `m_1 and m_2` are joined y a light rigid rod of length r. The system rotates at an angular speed `omega` about an axis through the centre of mass of the systemand perpendicular to the rod. Shwo thast the angular momentum of the system `is L=mur^2omega where mu` is the reduced mass of the system defined as `mu=(m_1m_2)/(m_1+m_2)`

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