Longitudinal Waves Lab | all answers are 100% correct | 7 pages

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2. Identify: Longitudinal waves have two important features. Compressions are regions where particles are squished together. Rarefactions are regions where particles are spread apart. In your diagra... m above, draw a red rectangle around each compression and a blue oval around each rarefaction. (Note: The dividers were originally spaced one meter apart.) 3. Observe: Turn on the Displacement graph. The displacement of a divider is equal to the change from its original position. The original positions of the red and green dividers are shown by the red and green dots below the tube. In which direction has the red divider moved? Right The green divider? Left 4. Interpret: Compare the displacement graph to the dividers in the tube. A. How does the graph represent movement to the right? Positive B. How does the graph represent movement to the left? Negative [Show More]

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