Mastering Waves & Sound: 2004 AP Physics Problem Help | CollegeBoard

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SUMMARY

The discussion centers on a 2004 AP Physics problem regarding waves and sound, specifically focusing on the relative phase of sound waves from two speakers. The problem states that one speaker is 1 meter away and the other is 1.5 meters away, with a wavelength of 1 meter. The key conclusion is that the sound waves will be out of phase, leading to constructive or destructive interference depending on their phase difference. Understanding this concept is crucial for solving the problem effectively.

PREREQUISITES
  • Understanding of wave properties, including wavelength and phase.
  • Basic knowledge of sound wave behavior and interference patterns.
  • Familiarity with the concept of distance and its effect on wave propagation.
  • Ability to apply trigonometric principles to analyze wave interactions.
NEXT STEPS
  • Study the principles of wave interference, focusing on constructive and destructive interference.
  • Learn about phase differences in sound waves and how they affect sound quality.
  • Explore the mathematical representation of waves, including sine and cosine functions.
  • Review AP Physics exam strategies for tackling problems related to waves and sound.
USEFUL FOR

High school students preparing for the AP Physics exam, educators teaching wave mechanics, and anyone interested in mastering sound wave concepts and their applications.

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And i am only in high school, but since the AP test is based at the college level i thought it made sense to post it here.
 
Say the wavelength is 1 m. If you are 1 m away from one of the speakers and 1.5 m away from the other, what do you know about the relative phase of the two sound waves you're hearing? What will their sum be? This should help you with part b.
 

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