Question

Sound travels through air as a wave. Consider the following diagram modelling how one person's speech travels to another person's ear. The purple dot represents an air molecule. The white

dots represent other air molecules. The distance between compression A and B is 1.4 meters. From this information, what can we determine about the wave? It takes compression A 0.008 seconds to reach the ear 2.8 meters away. From this information, what can we determine about the wave?

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