physics

According to Newton's version of Kepler's third law, how would the ratio T^2/r^3 change if the mass of the Sun were doubled?

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  1. T^2 = (2pi)^2 [ r^3/(G m) ]

    T^2/r^3 = k /m where k is constant (2pi)^2/G

    if you double m then T^2/r^3 is half

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