Brass Wire Wave Speed Calculation

[K3nt70]

Homework Statement

What is the wave speed in a brass wire with a radius of 3.35×10-4 m stretched with a tension of 120 N? The density of brass is 8.60×103 kg/m^3.

Homework Equations

v = $$\sqrt{\frac{T}{\mu}}$$

The Attempt at a Solution

I have no clue about this problem. It gives me regular density but i need linear density in order for the formula to work and i don't know how or if i even can convert reg density to linear. Nor can i find any other relevant equations that would clear it up for me.

cheers

 

[Ed Aboud]

Hi K3nt70.
Try find the cross-sectional area of the string and see if you can see what to do then.

 

[K3nt70]

Wicked - got it all worked out. Thanks for the hint!

 

[Ed Aboud]

Its cool, no problem.