Young's Modulus of guitar string

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SUMMARY

The discussion focuses on calculating Young's Modulus for a guitar string with a diameter of 0.6 mm, a length of 0.82 m, and a tension of 153 N, which stretches by 0.36 mm. The formula used is Y = Stress/Strain, where Stress is calculated as F/A and Strain as the amount of stretch/original length. The user encountered an error in their stress calculation due to unmatched parentheses, but the overall approach was correct. The final Young's Modulus can be computed once the stress and strain values are accurately determined.

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  • Understanding of Young's Modulus and its significance in material science.
  • Familiarity with the formulas for stress and strain.
  • Basic knowledge of unit conversions, particularly in the metric system.
  • Proficiency in algebra for manipulating equations and solving for variables.
NEXT STEPS
  • Calculate Young's Modulus using the corrected stress and strain values.
  • Explore the implications of Young's Modulus in material selection for musical instruments.
  • Learn about the effects of tension and length on the vibration characteristics of guitar strings.
  • Investigate the relationship between material properties and sound quality in stringed instruments.
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Students studying physics, material scientists, and guitar manufacturers interested in understanding the mechanical properties of guitar strings.

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Homework Statement



A guitar string of diameter 0.6 mm and length 0.82 m is subject to a tension of 153 N. If the string stretches an amount 0.36 mm, what is Young's modulus of the string?

Homework Equations



Y=Stress/Strain
Stress=F/A
Strain=Amount of stress/Original Length

The Attempt at a Solution



Stress=153/(pi*(0.0003^2)
Strain= 0.00036/0.82

I converted all the units to meters, but it is still not right and I'm not sure what I'm doing wrong.
 
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What is not right? And how do you know it?
 
There is an unmatched parentheses on your calculation for stress, but other than that nothing appears to be wrong.
 

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