Do Nodes in Open Tubes and Anti Nodes in Strings Denote Harmonics?

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The number of anti-nodes in a string indicates the harmonic, while the number of nodes in an open tube also denotes the harmonic. This distinction highlights the different behaviors of strings and tubes in wave mechanics. Participants confirm the accuracy of this statement, emphasizing the relationship between harmonics and the physical characteristics of these mediums. Understanding these concepts is crucial for studying sound waves and musical acoustics. The discussion reinforces foundational principles in physics related to harmonics in different systems.
kyleul
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Am I correct in stating that the number of *anti nodes* in a STRING denotes the harmonic and the number of *nodes* in a OPEN TUBE denotes the harmonic?

-Thanks
 
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Yes. You are right.
 
The book claims the answer is that all the magnitudes are the same because "the gravitational force on the penguin is the same". I'm having trouble understanding this. I thought the buoyant force was equal to the weight of the fluid displaced. Weight depends on mass which depends on density. Therefore, due to the differing densities the buoyant force will be different in each case? Is this incorrect?

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