3 Sound with a loudness of 100dB has an intensity of 1x102W/m?. (Note: It's 1x102 not 1x1012). Find the pressure and displacement amplitudes for this intensity of sound at a frequency of 512HZ.
3 Sound with a loudness of 100dB has an intensity of 1x102W/m?. (Note: It's 1x102 not 1x1012). Find the pressure and displacement amplitudes for this intensity of sound at a frequency of 512HZ.
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IA-3 Sound with a loudness of 100DB has an intensity of 1x102W/m?. (Note: It's 1x102 not 1x1012).
Find the pressure and displacement amplitudes for this intensity of sound at a frequency of 512HZ.
IA-4 Dickson has produced a loud sound
P (10°N/m?)
in air at sea leve!
The aranh of gir

Transcribed Image Text:Answers
IA-1 a) 0.0746W/m, Pm=8.13N/m, Sm7.30x10 m
IA-2 a) pm=2.98x10 N/m, Sm-2.09x10m
IA-3 Pm-2.98N/m", Sm 2.09x10°m
IA-4 a) pm-1×10ʻN/m², k=15.7rad/m, o=5.39x10*rad/s b) Sm4.18x10 m
c) Hints: What moves? Is sound a transverse or longitudinal wave?
b) 0.858m
b) pm-2.98x10 N/m², Sm=1.04x10llm
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