Application of logarithmic
2010-04-17 4:24 am
The intensity level of the sound produced by a flying aircraft is 122 dB. If its sound intensity is 10000 times that of a moving car, find the intensity level of the sound produced by the moving car.
回答 (1)
2010-04-17 5:08 am
收錄日期: 2021-04-23 20:40:28
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