Physics

Physics

Problem

Kepler's Third law relates the orbital period

T

of a planet about its sun to its orbital radius

r

. The mass of the Sun is

M

. What is a correct algebraic form of the law? A.

T = \frac{2\pi r^{1.5}}{(GM)^{0.5}}

B.

T = \frac{2\pi r^{1.5}}{GM}

C.

T = \frac{4\pi r^{0.67}}{(GM)^2}

D.

T = \frac{4\pi r^{0.67}}{GM}

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