A point sound source is measured at 300 ft in a free field to be 60 dB. What is the sound power of the source in watts? For the point source in Question (1), how close to the source would one have to move for the level to be 70 dB?
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(1) A point sound source is measured at 300 ft in a free field to be 60 dB. What is the sound power of the source in watts?
For the point source in Question (1), how close to the source would one have to move for the level to be 70 dB?
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