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

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SUMMARY

The tension in an aluminum wire with a radius of 0.001 m and a wave speed of 120 m/s can be calculated using the formula v = √(F_u/μ), where F_u is the tension and μ is the linear mass density. The density of aluminum is given as 2.7 x 103 kg/m3. To find the linear mass density (μ), the mass of the wire must be determined using its density and cross-sectional area.

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Students studying physics, particularly those focusing on wave mechanics and material properties, as well as educators seeking to explain the concepts of tension and wave speed in materials like aluminum.

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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


Homework Equations



v=√Fu
v1/v2=D2/D1

The Attempt at a Solution



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

The mass of what?

ehild
 

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