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Unformatted text preview: t and third rows of Equation (211),
(214) provided . According to the second row, (215) when . Incidentally, we can only determine the ratios of , values of these quantities. In other words, only the direction of the vector , and , rather than the absolute
is well defined. [This follows because the most general solution, (219), is undetermined to an arbitrary multiplicative constant.
That is, if
is a solution to the dynamical equations (205) (207) then so is
where is an arbitrary constant. This, in turn, follows because th...
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 Fall '08
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 Friction, Mass, Waves And Optics, Light

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