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: Find work from additional spring compression

  1. Mar 6, 2013 #1
    The spring used has a spring constant of k= 35000 N/m.
    a) how much work must you do to compress this spring by 0.10 m from its relaxed condition.
    .5*35000*(0.1)^2=175 J (correct)

    b)how much work must you do to compress the spring an additional 0.10 m?
    I tried the same equation but with x=0.2 but it doesnt work. (U=700J)
  2. jcsd
  3. Mar 6, 2013 #2

    Doc Al

    User Avatar

    Staff: Mentor

    I assume they want how much additional work you must do.
  4. Mar 6, 2013 #3
    I subtracted 700-175 and its correct , Thanks!
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted