A double star is a system of two stars rotating about their centre of mass only under their mutual gravitational attraction. Let the stars have masses m and 2m and let their separation be 1. Their time period of rotation about their centre of mass will be proportional to a) 1^(3//2) b) a c) m d) m^(-1//2)

A double star is a system of two stars rotating about their centre of

1.	A double star is a system of two stars rotating about their centre of mass only under their mutual gravitational attraction. Let the stars have masses m and 2m and let their separation be 1. Their time period of rotation about their centre of mass will be proportional to a) 1^(3//2) b) a c) m d) m^(-1//2)
Answer» only a & C are TRUE only B & c are true only a & d are true All are ture Answer :C