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liubo4ka [24]
3 years ago
7

A small home speaker produces 0.200 ~\text{W}0.200 W of acoustical power. (This is achieved, for example, by a 10-Watt speaker o

perating at 2% electrical efficiency). If the speaker projects sound uniformly in all directions, what is the loudness of the sound (in dB) at a distance of 0.668 ~\text{m}0.668 m from the speaker?
Mathematics
1 answer:
Anika [276]3 years ago
4 0

Answer:

i dont speak english

Step-by-step explanation:

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Nataly [62]
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The radius of a circle is 13 meters. What is the circle's circumference?
Vlad [161]

Answer:

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Step-by-step explanation:

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