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Problem 5. (Use your indoor voice) A person shouting at the top of his lungs emits about 1.0 mW of energy as sound waves.
Problem 5. (Use your indoor voice) A person shouting at the top of his lungs emits about 1.0 mW of energy as sound waves. What is the sound intensity level at: A. 1.0 m from such a person? Use units of dB. B. 5.0 m from such a person? Use units of dB. C. How far from the person would the sound intensity level be 10 dB less than the sound intensity level at 5.0 m?
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Introduction to Electrodynamics
Authors: David J. Griffiths
3rd Edition
978-0138053260, 013805326X, 8120316010, 978-8120316010
