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Sinusoidal wave 
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#1
Apr407, 03:38 PM

P: 43

1. The problem statement, all variables and given/known data
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 2. Relevant equations v=lambda*f 3. The attempt at a solution I chose a) using the equation v=lambda*f. as f doubles, v doubles too. 


#2
Apr407, 03:51 PM

Mentor
P: 41,438

That would only be true if the wavelength remained the same.
What determines the speed of a wave on a string? 


#3
Apr407, 05:04 PM

P: 43

tension and density.
The answer is b) 


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