1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Differential Equations

  1. Jan 2, 2005 #1
    how can I calculate the "diameter" of a spiral ? someone told me i need to use Differential or Integral Equations to solve this, but i'm not sure how.

    If there is a spiral that it's radius increases by 1 cm for every radian until the radius reaches the size R . how can I calculate the length of the line that the spiral consists of?
     
  2. jcsd
  3. Jan 2, 2005 #2

    mathwonk

    User Avatar
    Science Advisor
    Homework Helper

    try parametrizing it by angle.
     
  4. Jan 2, 2005 #3

    dextercioby

    User Avatar
    Science Advisor
    Homework Helper

    That's the Spiral of Archimedes.For details check this wonderful site (warning:it's in French):
    spiral of Archimedes

    Daniel.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?