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Physics, 20.08.2019 18:20 youngchapo813p8d9u1
Aconcert loudspeaker suspended high off the ground emits 29.0 w of sound power. a small microphone with a 0.500 cm2 area is 55.0 m from the speaker. how much sound energy impinges on the microphone each second?
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Aconcert loudspeaker suspended high off the ground emits 29.0 w of sound power. a small microphone w...
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