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A binary star consists of two stars A (m...

A binary star consists of two stars A (mass 2.2 `M_S` and B (mass 11 `M_S` where `M_S` is the mass of the sun. They are separated by distance d and are rotating about their centre of mass, which is stationary. The ratio of the total angular momentum of the binary star to the angular momentum of star B about the centre of mass is. _____

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