5. A dB meter registers 124 dB when placed 2.50 m in front of a loudspeaker. Assuming uniform spherical spreading of the sound, how far away would the intensity level be a somehow reasonable 85 dB? m
Q: 7. A dB meter registers 128 dB when placed 2.50 m in front of a loudspeaker. Assuming uniform…
A: Sound intensity level at distance r1=2.50 m is β1=128 dB Sound intensity at level r2 is β2=89 dB…
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A: Given f=1000-2000 Hz L=45.7cm v=344 m/s
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A: Sound level 1 SL1=82 dB=10 logI1I0Sound level 2 SL2=24 dB=10 logI2I0SL1-SL2=82dB-24dB=58…
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Q: 53. ssm At a distance of 3.8 m from a siren, the sound intensity is 3.6 x 10-2 W/m?. Assuming that…
A: distance, r = 3.8 m intensity, I = 3.6 x 10-2 W/m2
Q: 7. A dB meter registers 129 dB when placed 1.50 m in front of a loudspeaker. Assuming uniform…
A: Given value--- sound intensity level 1 = 129 dB. r1 = 1.5 . sound intensity level 2 = 76 dB. r2 = ?
Q: 7. A dB meter registers 127 dB when placed 2.20 m in front of a loudspeaker. Assuming uniform…
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Q: The sound level 8.25 m from a loudspeaker, placed in the open, is 115 dB. What is the acoustic power…
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Q: Given: The intensity level of a sound wave is 75 dB relative to 1µPa. Required: Determine the…
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Q: at what distance from the factory (in km) is the intensity level of the whistle sound equal to 12…
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Q: 89. A recording engineer works in a soundproofed room that is 44.0 dBquieter than the outside. If…
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Q: A sound level 20m from a loudspeaker is 65dB, at air temperature of 35°C. The wave carries a…
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A: Given data β=52 dbf=587 Hz
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Q: Two speakers emit sound waves of different frequencies as shown in the figure: Speaker A has a power…
A: power of speaker A = 1.00mW Power pf speaker B = 1.50 mW
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