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What type of wave are sound waves?
Longitudinal waves
What are the 3 categories of sound waves?
Audible, infrasonic, and ultrasonic
Sounds we can hear
Lower sounds that we cannot hear
Higher sounds that we cannot hear
What is the audible range for humans?
20 Hz to 20,000 Hz
what is the formula for the speed of sound (in air)?
Speed of sound increases in higher air temperatures
v = 331.4 + (0.606)T