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Giancoli's Physics: Principles with Applications, 7th Edition
12
Sound
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12-1: Characteristics of Sound
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12-2: Intensity of Sound; Decibels
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12-3: Loudness
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12-4: Sources of Sound: Strings and Air Columns
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12-5: Quality of Sound, Superposition
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12-6: Interference; Beats
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12-7: Doppler Effect
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12-8: Shock Waves; Sonic Booms
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 56
Q

The predominant frequency of a certain fire truck’s siren is 1650 Hz when at rest. What frequency do you detect if you move with a speed of 30.0 m/s

  1. toward the fire truck, and
  2. away from it?
A
  1. 1790 Hz1790 \textrm{ Hz}
  2. 1510 Hz1510 \textrm{ Hz}
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