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: Steel wire sound problem

  1. Apr 6, 2014 #1
    1. The problem statement, all variables and given/known data
    A steel cable is vibrating in its third harmonic. The Frequency is 150Hz
    1. What is the length of the cable?

    2. What is the wavelength?

    2. Relevant equations

    3. The attempt at a solution
    I am really stuck
  2. jcsd
  3. Apr 6, 2014 #2

    Simon Bridge

    User Avatar
    Science Advisor
    Homework Helper

    Thats OK - we can help with that.
    Where do you get stuck?

    Do you know what is meant by the "third harmonic"?
    Do you know about "standing waves"?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted