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Convert 0.001 arcseconds to radians.

  1. Dec 29, 2012 #1
    1. The problem statement, all variables and given/known data

    Convert 0.001 arcseconds to radians.

    I believe the correct solution is 4.85 x 10^-9 radians.



    2. Relevant equations

    2∏rad = 360° = 60' = 3600''

    3. The attempt at a solution

    The way I was trying to achieve this solution is by setting my calculator to radian mode, typing in {2Pi/(60x60)} x 0.001 which gives 1.74x10^-6.

    So I was wondering what I'm doing wrong?

    Thank you!
     
  2. jcsd
  3. Dec 29, 2012 #2

    Doc Al

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    Staff: Mentor

    2π radians = 360 degrees
    1 degree = 60 arcminutes
    1 arcminute = 60 arcseconds
     
  4. Dec 29, 2012 #3
    That's great. Thanks very much.

    (2∏ / (360x60x60)) x 0.001 = 4.85x10^-9
     
  5. Dec 29, 2012 #4

    CWatters

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    Science Advisor
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