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Unformatted text preview: given by: = k is sometimes called the wave number. The period of the wave (the amount of time taken for a complete cycle to pass a fixed point) is given by T = = As usual, the frequency, , is just the inverse of this, = 1/ T = v / . If a complete cycle comprises 2 radians, then the number of radians of a cycle that pass a fixed point per interval of time is given by the angular frequency, = 2 / T = 2 . Thus the harmonic wave may also be expressed as: ( x , t ) = A sin( kx t ) . A fixed point on the wave, such as a particular peak, moves along with the wave at the phase velocity v = / k ....
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 Fall '10
 DavidJudd
 Physics

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