At a rock concert a meter reads 130 db when placed 280
At a rock concert, a meter reads 130 dB when placed 2.80 meters in front of a loudspeaker.
1. Find what was the sound power output of the speaker assuming uniform, isotropic sound propagation?
2. Find how far away would the sound level be 90 dB?
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at a rock concert a meter reads 130 db when placed 280 meters in front of a loudspeaker1 find what was the sound power
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