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Sound (General Info (Can't travel through vacuum, Different medium,…
Sound
General Info
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Different medium, different speed
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Pressure of sound waves
p= 
Pressure Amplitude: p(max)=
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Greater pressure amplitude, louder sound
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Shock Waves
Vs << V, motion of airplane thru the air produces sound
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sin α =
Mach Number =
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The Doppler Effect
when source of sound and observer are in relative motion, the sound heard is not the same as the source frequency
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