Find what was the sound power output of the speaker

Reference no: EM13669976

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?

Reference no: EM13669976

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