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Can someone please tell me what applied uses surds have in Science?

  1. Oct 24, 2011 #1
    Can someone please tell me what applied uses surds have in Science? Apart from Pythagoras?

    Cheers,

    Mick
     
  2. jcsd
  3. Oct 24, 2011 #2

    Mentallic

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    Homework Helper

    Re: Surds

    Whenever quadratics appear, surds are likely to be present also. One example would be in Physics to measure the time it takes an object undergoing constant acceleration (say, under the influence of gravity) to complete some distance, the time is likely to be irrational.

    There are many places in which surds appear.
     
  4. Oct 25, 2011 #3

    NascentOxygen

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    Staff: Mentor

    Re: Surds

    The mains AC voltage (e.g., 240v in Europe) is actually a sinewave which swings from a negative peak of sqrt(2) * 240 volts to a positive peak of sqrt(2) * 240 volts. This amplitude waveform, called 240 v RMS, makes an incandescent light bulb glow exactly as brightly as would a DC voltage of 240 volts.
     
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