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2 cards from this section. Quick, good the night before a test.
Define acoustic waves.
Think about how sound travels.
What are compressions in acoustic waves?
Opposite of rarefactions.
What do acoustic waves travel through?
Consider where sound can be heard.
True or False: The speed of sound is faster in air than in water.
Think about the properties of air vs. water.
Given a material with a bulk modulus of 4 × 10^9 Pa and a density of 500 kg/m³, calculate the speed of sound and discuss how this would compare to air.
Plug values into the formula carefully.
Consider a sound wave traveling through helium, which has a lower density than air. Discuss the implications for speed and what applications this has in voice technology.
Think about the properties that lead to speed differences.
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