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The mean distance of two planets A and B from sun is 2 and 4 times distance of Earth from the sun respectively . Find the ratio of time taken by two planets to make one revolution around the sun ?
As we know,From kepler law,T^2= k* r^3 Hence(T1/T2)^2 = (r1/r2)^3(T1/T2)^2 = (2r/4r)^3T1/T2 = (1/8)T1/T2 = 1/22
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