Calculating Velocity and Wavelength of Waves between Nodes | Solved Question

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Homework Help Overview

The discussion revolves around calculating the velocity and wavelength of waves on a vibrating string, specifically focusing on the relationship between nodes and wavelength. The original poster presents a problem involving the distance between nodes and the frequency of the source.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster considers the possibility that the wavelength is half the distance between nodes but expresses uncertainty about this assumption. Participants question the reasoning behind this uncertainty and suggest revisiting the calculations.

Discussion Status

The discussion has seen some productive exchanges, with participants encouraging the original poster to reassess their understanding and calculations. There is acknowledgment of potential errors in previous attempts, but no explicit consensus has been reached on the correct approach.

Contextual Notes

The original poster mentions having encountered difficulties with similar problems in the past, indicating a potential gap in understanding the relationship between nodes and wavelength.

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[SOLVED] Wave Behaviour Question

Homework Statement


This is probably going to have a very simple answer, but its a simple answer I don't know. It has to do with figuring out the velocity and wavelength of a wave between 2 nodes. Heres the question.

The distance between two successive nodes in a vibrating string is 10 cm. The frequency of the source is 30 Hz. What is the wavelength of the waves? What is their velocity?


Homework Equations




The Attempt at a Solution


I thought maybe the wavelength would be half of the distance between the nodes but I don't think that's true.
 
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>I thought maybe the wavelength would be half of the distance between the nodes but I don't think that's true.

What makes you think it is not true? Can you draw a diagram to yourself?
 
Well when I used the same theory in another question, the numbers didn't seem right but I will go back and try again.
 
Perhaps in the second case you made an arithmetical mistake.
 
It would appear that was the case :)

I think I've got it, thanks
 

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