Sinusoidal wave

  • Thread starter Andy_ToK
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  • #1
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Homework Statement


A sinusodial wave is moving along a string of uniform density. If you double the frequency of the wave,

a)the speed of the wave doubles
b)the speed of the wave remains about the same


Homework Equations


v=lambda*f


The Attempt at a Solution


I chose a) using the equation v=lambda*f. as f doubles, v doubles too.
 

Answers and Replies

  • #2
Doc Al
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That would only be true if the wavelength remained the same.

What determines the speed of a wave on a string?
 
  • #3
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tension and density.

The answer is b)
 

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