1. Limited time only! Sign up for a free 30min personal 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!

Quick Question on Uncertainty of PI

  1. Sep 19, 2007 #1
    1. The problem statement, all variables and given/known data
    http://img413.imageshack.us/img413/226/8m1celf4.gif [Broken]

    On b, why is the pi exp 3.18 +- 0.04 and not .012?

    2. Relevant equations



    3. The attempt at a solution
     
    Last edited by a moderator: May 3, 2017
  2. jcsd
  3. Sep 19, 2007 #2

    D H

    User Avatar
    Staff Emeritus
    Science Advisor

    The 0.012 arises from [itex]\Delta\pi/\pi = 0.012[/itex]. In other words, it is a relative error. Clearing the fraction gves the absolute error: [itex]\Delta\pi = 0.012\pi\approx0.04[/itex]
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Quick Question on Uncertainty of PI
  1. Uncertainty of pi? (Replies: 5)

Loading...