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Calculating Tension in a Rope

  • Thread starter Jim4592
  • Start date
  • #1
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Homework Statement


With what tension must a rope with length 5m, and mass 0.120 kg, be stretched for transverse waves of frequency 50.0 Hz to have a wavelength of 0.750 m?


Homework Equations


K = ((2*Pi)/wavelength)


The Attempt at a Solution


K = (2*Pi)/.75
K = 8.38 1/m

I'm not sure where to go from here.
 

Answers and Replies

  • #2
dx
Homework Helper
Gold Member
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Use the following relationship: v = √(T/μ).

v is the speed of the waves, T is the tension, and μ is the mass per unit length.
 

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