PHYS171_f11_lecture_23

PHYS171_f11_lecture_23 - PHYS171 Principles of Physics I...

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PHYS171 Principles of Physics I Chapter 6 Kepler’s Laws All planets move in elliptical orbits with the sun at one focus The radius vector drawn from the sun to a planet sweeps out equal area in equal time The square of the orbital period of any planet is proportional to the cube of the semi-major axis of the elliptical orbit Components of scientific method here, a compact set of rules defined which describe complicated phenomena. What is missing is the unifying mathematical principle
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