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!

Rotational Motion question!

  1. Feb 28, 2008 #1
    [SOLVED] Rotational Motion question!

    1. The problem statement, all variables and given/known data
    A wheel has a radius of 2.8 m. How far does a point on the circumference travel if the wheel is rotated through angles of 30 degrees, 30 radians, and 30 revolutions?

    2. Relevant equations

    3. The attempt at a solution
    I tried to use s=2pie(r) & theta=s/r but neither worked.

    This problem seems like it would be super easy, but I really have no idea how to do it! Help!

    Last edited: Feb 28, 2008
  2. jcsd
  3. Feb 28, 2008 #2


    User Avatar
    Science Advisor
    Homework Helper

    It is super easy. s=r*theta works if the angle is measured in radians. That makes the 30 radian part pretty easy. For the others you'll need to convert degrees and revolutions to radians.
  4. Feb 28, 2008 #3
    Thank you!
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?

Similar Discussions: Rotational Motion question!