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Math Help - revs to rads

  1. #1
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    revs to rads

    Hi:
    I am trying to convert revolutions to radians.
    90rev/s X 2pie/1rev
    so i can cancel the revs leaving 90 X 2pie/s
    now, I get 565.4866776rad/s
    but apparently I should get 283rad/s. Which is half of what I get.

    help!
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  2. #2
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    Lexington, MA (USA)
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    Hello, lemonz!

    I am trying to convert revolutions to radians.

    . . \frac{90\text{ rev}}{1\text{sec}} \times \frac{2\pi\text{ radians}}{1\text{ rev}} \:=\:180\pi\text{ rad/sec} \:\approx\:565.5\text{ rad/sec}


    but apparently I should get 283 rad/sec. . They are wrong!

    You are right!

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  3. #3
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    reply

    hmmm!
    well that is curious.
    Oh well! It's good to be the smart one aeh!
    thanks a lot dude.
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