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Question
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) `T^2 prop R^(5/2)`
B) `T^2 prop R^((-7)/2)`
C) `T^2 prop R^(3/2)`
D) `T^2 prop R^4`
Solution
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