A planet is revolving around a star in a circular orbit of radius R with a period T. If the gravitational force between the planet and the star
A planet is revolving around a star in a circular orbit of radius R with a period T. If the gravitational force between the planet and the star is proportional to R-3/2, then
(A) T2 ∝ R5/2
(B) T2 ∝ R-7/2
(C) T2 ∝ R3/2
(D) T2 ∝ R4
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