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A law of physics states that the intensity of sound is inversely proportional to the square of the distance d from the source: I = k/d². (a) If B, is the decibel level at a distance di, use this model and the equation B - 10 log (described in this section) to find the equation for the decibel level B, at a distance d, relative to B, and d. B2 = (b) The intensity level at a rock concert is 119 dB at a distance 2.9 m from the speakers. Find the intensity level at a distance of 10 m. (Round your answer to the nearest whole number.) B2 = dB

A law of physics states that the intensity of sound is inversely proportional to the square of the distance d from the source: I = k/d². (a) If B, is the decibel level at a distance di, use this model and the equation B - 10 log (described in this section) to find the equation for the decibel level B, at a distance d, relative to B, and d. B2 = (b) The intensity level at a rock concert is 119 dB at a distance 2.9 m from the speakers. Find the intensity level at a distance of 10 m. (Round your answer to the nearest whole number.) B2 = 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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A law of physics states that the intensity of sound is inversely proportional to the square of the distance d from the source: I = k/d2. (a) If B1 is the decibel level at a distance di, use this model and the equation I B = 10 log Io (described in this section) to find the equation for the decibel level B2 at a distance d relative to B1 and d1. B2 %3D (b) The intensity level at a rock concert is 119 dB at a distance 2.9 m from the speakers. Find the intensity level at a distance of 10 m. (Round your answer to the nearest whole number.) B2 = dB %3D Need Help? Watch It Read It Master It
Transcribed Image Text:A law of physics states that the intensity of sound is inversely proportional to the square of the distance d from the source: I = k/d2. (a) If B1 is the decibel level at a distance di, use this model and the equation I B = 10 log Io (described in this section) to find the equation for the decibel level B2 at a distance d relative to B1 and d1. B2 %3D (b) The intensity level at a rock concert is 119 dB at a distance 2.9 m from the speakers. Find the intensity level at a distance of 10 m. (Round your answer to the nearest whole number.) B2 = dB %3D Need Help? Watch It Read It Master It
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