question is http://home.earthlink.net/~urban-xrisis/clip_image002.jpg [Broken](adsbygoogle = window.adsbygoogle || []).push({});

I know that an imaginary line adjoining a planet and a sun sweeps out an equal area of space in equal amounts of time.

that means... I know that

[tex]\frac{1}{2}b(t_2-t_1)=\frac{1}{2}b(t_4-3_1)[/tex]

but I dont know that the question means when it asks to demonstrate that the shaded areas are the same?

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# Homework Help: Kepler's second law

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