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!

Homework Help: Question in Energy and Energy Transfere

  1. May 12, 2013 #1
    Hi all , How are you
    I have problems which I couldn't solve
    May I have some help please ?

    Attached Files:

  2. jcsd
  3. May 12, 2013 #2


    User Avatar
    Homework Helper

  4. May 13, 2013 #3
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted