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: Atomic Mass Units

  1. Jun 26, 2003 #1

    Dx

    User Avatar

    A pi meson has mass of 139MeV/c^2. what is this in atomic mass?

    HOw do i solve for this? what steps do I need to do, any examples you can give to help me with to solve?
    Dx :wink:
     
  2. jcsd
  3. Jun 27, 2003 #2

    Tom Mattson

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Dx,

    I made a mistake. The amu is not the mass of one proton, it is 1/12 the mass of a C12 atom.
     
  4. Jun 27, 2003 #3

    dav2008

    User Avatar
    Gold Member

    I believe 1 amu is something like 812 MeV/c^2..bah...i dont know the exact number, its something in the 800's

    EDIT: Its 931.5 MeV/c^2 for each amu
     
  5. Jun 27, 2003 #4

    Dx

    User Avatar

    Thanks you guys are the bomb! :wink:
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook