1.) The intensity level of the sound produced by a flying areoplane is
125dB. If its sound intensity is 10000 times that of a moving cat, find the
intensity level of the sound produced by a moving car.
Logarithmic Funtions( 10 points)
2008-04-28 3:15 am
回答 (1)
2008-04-28 4:49 am
✔ 最佳答案
Difference in intensity level = 10 x log (sound intensity of aeroplane/sound intensity of car)
= 10 x log10000
= 40
intensity level of car = 125 - 40 = 85dB
收錄日期: 2021-04-22 22:26:16
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