P19-04: Wave Speed

P19-04: Wave Speed


A wave doesn't really move along, that's an illusion, but the energy (or information) DOES move.  That's what this lesson will help you learn to describe.

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This is a quick lesson.  I have my video below, and there is also this INTERACTIVE FIGURE to remind you of the wave types.  Click on the "highlight coil" to see that it doesn't move down the spring at all.

Source: Hewitt, P. G. (2015). Conceptual Physics (12th ed.). Boston, MA: Pearson.

Wave Speed