Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Cylindrical Co-ordinate Question

  1. May 22, 2012 #1
    1. The problem statement, all variables and given/known data
    In a text book it states:

    How do they conclude this?

    Thank you.

    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. May 22, 2012 #2

    SammyS

    User Avatar
    Staff Emeritus
    Science Advisor
    Homework Helper
    Gold Member

    If |u| ≤ a, where a is positive, then -a ≤ u ≤ a .
     
  4. May 22, 2012 #3
    Thanks SammyS
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook