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Learning Goal: To see how two traveling waves of nearly the same frequency can create beats and to interpret the superposition as a...

Learning Goal: To see how two traveling waves of nearly the same frequency can create beats and to interpret the superposition as a "walking" wave.

Consider two similar traveling transverse waves, which might be traveling along a string for example:
and .

They are similar because we assume that and are nearly equal and also that and are nearly equal.

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