Physics, 28.08.2019 04:10 evanwall91
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? (intensity = i = ) 1.8 × 10–4 w/m2 1.8 × 10–6 w/m2 1.6 × 10–4 w/m2 1.6 × 10–6 w/m2
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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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