What is the tension in an aluminum wire with a given radius and wave speed?

freeofwork · Jan 8, 2012

Homework Statement

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

v=√F_u/μ
v1/v2=D2/D1

How do you find the mass using density and radius??...

ehild · Jan 8, 2012

freeofwork said:

How do you find the mass using density and radius??...

The mass of what?

ehild