Imagine a light plant revolving around a very massive star in circular orbit of radius r with a period of revolution T. If the gravitational force of attraction between the planet and the star is proportional to r-5/2. Then the correct relation is

Question:

Imagine a light plant revolving around a very massive star in circular orbit of radius r with a period of revolution T. If the gravitational force of attraction between the planet and the star is proportional to r^-5/2. Then the correct relation is

Options :

(a) T^2 ∝ r^5/2
(b) T^2 ∝ r^7/2
(c) T ∝ r^5/2
(d) T^2 ∝ R

Answer :

(b) T² ∝ r^7/2

Answer Steps :

step 1

step 2

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