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(c) How many times more intense is the sound of a motorcycle than a vacuum cleaner? The sound of a motorcycle is times more intense than the sound of a vacuum cleaner.

(c) How many times more intense is the sound of a motorcycle than a vacuum cleaner? The sound of a motorcycle is times more intense than the sound of a vacuum cleaner.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Sounds are produced when vibrating objects create pressure waves in some medium such as air. When these variations in pressure reach the human eardrum, it causes the eardrum to vibrate in a similar manner and the ear detects sound. The intensity of sound is measured as power per unit area. The threshold for hearing (minimum sound detectable by a young, healthy ear) is defined to be I = 10-12 W/m² (watts per square meter). The sound level L, or "loudness" of sound, is measured in decibels (dB) as L = 10 log (1). wh where I is the intensity of the given sound. Round to the nearest integer, if necessary.
Transcribed Image Text:Sounds are produced when vibrating objects create pressure waves in some medium such as air. When these variations in pressure reach the human eardrum, it causes the eardrum to vibrate in a similar manner and the ear detects sound. The intensity of sound is measured as power per unit area. The threshold for hearing (minimum sound detectable by a young, healthy ear) is defined to be I = 10-12 W/m² (watts per square meter). The sound level L, or "loudness" of sound, is measured in decibels (dB) as L = 10 log (1). wh where I is the intensity of the given sound. Round to the nearest integer, if necessary.
(c) How many times more intense is the sound of a motorcycle than a vacuum cleaner? The sound of a motorcycle is times more intense than the sound of a vacuum cleaner.
Transcribed Image Text:(c) How many times more intense is the sound of a motorcycle than a vacuum cleaner? The sound of a motorcycle is times more intense than the sound of a vacuum cleaner.
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