Mathematics, 06.04.2021 20:50 gabbycasey102
Question 17 (5 points)
The loudness of the traffic on Hwy. 400 is measured at 90 dB. Find the loudness of an airplane taking
off, if it is measured to be 22000 times more intense than the traffic on Hwy. 400.
[5AP]
L = 10 log(+-), Where lo = 10-12 W/ m2
Question 18 (4 points)
In 2004 an earthquake (Tsunami) hit Sri Lanka and was measured 9.0 on the Richter scale. How many
more times intense was that earthquake than the one Indonesia experienced in September 2018, which
measures 7.5 on the Richter scale.
[4AP)
Answers: 1
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Question 17 (5 points)
The loudness of the traffic on Hwy. 400 is measured at 90 dB. Find the loudn...
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