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The warning tag on a lawn mower states that it produces

College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs ISBN: 9781938168000 42

Solution for problem 13PE Chapter 17

College Physics | 1st Edition

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College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs

College Physics | 1st Edition

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Problem 13PE

Problem 13PE

The warning tag on a lawn mower states that it produces noise at a level of 91.0 dB. What is this in watts per meter squared?

Step-by-Step Solution:
Step 1 of 3

Solution 13PE

Given

= Noise = 91 d

        Intensity I = ? w/

= w/ (Audible sound)

Sound Intensity level in units of decibel

        =

       91        = ()

After solving we get

I = 12.5 x w/

Step 2 of 3

Chapter 17, Problem 13PE is Solved
Step 3 of 3

Textbook: College Physics
Edition: 1
Author: Paul Peter Urone, Roger Hinrichs
ISBN: 9781938168000

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The warning tag on a lawn mower states that it produces