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Olympiad workbookNSEPGravitation

Three stars of equal mass M rotate in a circular path of radius r about their center of mass such that the stars always remain equidistant from each other. The common angular speed ( ) of rotation of the stars can be expressed as

Options

A( G M 3 r^3 )^ 1 2
B( G M r^3 )^ 1 2
C( G M r^3 2 3 )^ 1 2
D( G M r^3 3 )^ 1 2

Correct answer

D. ( G M r^3 3 )^ 1 2

Step-by-step solution

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