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Pitch describes the frequency of a sound.
It describes sound waves and vibrations.
loudness.
A sound wave is essentially fast changing sound pressure. Longitudinal sound waves need a medium to travel through in order to exist e.g mostly air, water, metal... A sound wave is the pattern of disturbance caused by the movement of sound ... A sound needs a moving sound source of a frequency between 20 Hz and 20 kHz.
loudness
a word whose sound suggests the action represented by the word
Pitch describes the frequency of a sound.
It describes sound waves and vibrations.
more drag is created because the air molecules are not moving out of the way of the airplane
loudness.
Amplitude
A sound wave is essentially fast changing sound pressure. Longitudinal sound waves need a medium to travel through in order to exist e.g mostly air, water, metal... A sound wave is the pattern of disturbance caused by the movement of sound ... A sound needs a moving sound source of a frequency between 20 Hz and 20 kHz.
loudness
More drag is created because the molecules cannot "hear" the airplane coming.
neigh!
sound
Vibrations