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1. The loudness, L, of a sound in decibels (dB) can be calculated using the formula: L = 10 log), where I is the intensity of the sound in watts per square metre (W/m²) and Io = 10-12W m² a) A teacher is speaking to a class. Determine the intensity of the teacher's voice if the sound level is 50 dB.

1. The loudness, L, of a sound in decibels (dB) can be calculated using the formula: L = 10 log), where I is the intensity of the sound in watts per square metre (W/m²) and Io = 10-12W m² a) A teacher is speaking to a class. Determine the intensity of the teacher's voice if the sound level is 50 dB.

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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1. The loudness, L, of a sound in decibels (dB) can be calculated using the formula: L = is the intensity of the sound in watts per square metre (W/m²) and Io 10-12 W m² 10 log b) How many times as intense is an 85 dB sound than a 50 dB sound? where I a) A teacher is speaking to a class. Determine the intensity of the teacher's voice if the sound level is 50 dB.
Transcribed Image Text:1. The loudness, L, of a sound in decibels (dB) can be calculated using the formula: L = is the intensity of the sound in watts per square metre (W/m²) and Io 10-12 W m² 10 log b) How many times as intense is an 85 dB sound than a 50 dB sound? where I a) A teacher is speaking to a class. Determine the intensity of the teacher's voice if the sound level is 50 dB.
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