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!

Kenetic energy

  1. Oct 6, 2005 #1
    What would be the kenetic energy, it the bar is rotating? But it has different speed along it's mass. Need to use calculas?
  2. jcsd
  3. Oct 6, 2005 #2


    User Avatar
    Science Advisor
    Homework Helper

    The short answer is "yes." You can roll it all up into a single package if you know (or can calculate) the moment of inertia about the axis of rotation in which case the rotational energy is [itex]\frac {1}{2} I \omega^2[/itex]
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook