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Old 19-11-2010, 02:44 PM
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sjastro
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Abstract: I show that in kinematic situations, π is 4. For all those going ballistic over my title, I repeat and stress that this paper applies to kinematic situations, not to static situations. I am analyzing an orbit, which is caused by motion and includes the time variable. In that situation, π becomes 4. When measuring your waistline, you are not creating an orbit, and you can keep π for that. So quit writing me nasty, uninformed letters.
Alex,

Take Kepler's Third Law. The third law relates the period of a planet's orbit, T, to the length of its semimajor axis, a. It states that the square of the period of the orbit (T2) is proportional to the cube of the semimajor axis (a3), and further that the constant of proportionality is independent of the individual planets; in other words, each and every planet has the same constant of proportionality.

Guess what the constant of proportionality contains? It contains π=3.1416... , and yes this is a "kinematic" example. The law is based on empirical data.

It is absolutely ludricious to consider a static π and a kinematic π, let alone they should have different values. It reflects Mathis' nonsensical mathematics in this case.

Regards

Steven
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