Question 81

A binarystar 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 binarystar to the angular momentumof star B about the centre of mass is

Correct Answer: 6

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