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: Physics question about waves?

  1. Jan 8, 2012 #1
    1. The problem statement, all variables and given/known data
    The wave speed in an aluminum wire with a radius of .001m is 120 m/s. What is the tension in the wire? The density of the aluminium is 2.7 X103 kg/m3

    2. Relevant equations


    3. The attempt at a solution

    How do you find the mass using density and radius??...
  2. jcsd
  3. Jan 8, 2012 #2


    User Avatar
    Homework Helper

    The mass of what?

Share this great discussion with others via Reddit, Google+, Twitter, or Facebook