University Physics with Modern Physics with Mastering Physics (11th Edition)

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16.48: The altitude of the plane when it passes over the end of the runway is m 145 15 m)tan 1200 m (1740 = ° - , and so the sound intensity is 2 ) 45 . 1 ( 1 of what the intensity would be at 100 m. The intensity level is then
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Unformatted text preview: [ ] dB, 8 . 96 (1.45) log 10 dB . 100 2 = ×-so the airliner is not in violation of the ordinance....
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  • Decibel, intensity level, sound intensity level

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