Question

A 'double star" is a composite system of two stars
rotating about their centre of mass under their
mutual gravitational attraction. Let us consider such
a double star which has two stars of masses m
each at separation 1. If T is the time period of
rotation about their centre of mass then find T.
13
(1) T = 20 -
YmG
(2) T = 279 2mG
(3) T = 27
(4) T = 270 P
AMG
3mG​

Answer 1

Explanation:

T=270

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