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Physics, 01.12.2019 15:31 ilawil6545
Asound wave with a power of 8.8 ×10^-4 w leaves a speaker and passes through section a, which has an area of 5.0 m^2 what is the intensity of sound in this area? 1.8×10^-4, 1.8×10^-6, 1.6×10^-4 1.6×10^-6
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Asound wave with a power of 8.8 ×10^-4 w leaves a speaker and passes through section a, which has an...
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