Physics, 01.09.2019 02:30, idk5233

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 m2. what is the intensity of sound in this area?

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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...