University Physics with Modern Physics with Mastering Physics (11th Edition)

  • Homework Help
  • PresidentHackerCaribou10582
  • 1

Info icon This preview shows page 1. Sign up to view the full content.

16.77: Taking the speed of sound to be s, m 344 the wavelength of the waves emitted by each speaker is m. 00 . 2 a) Point C is two wavelengths from speaker A and one and one-half from speaker B , and so the phase difference is rad. 180 π = ° b) , m W 10 98 . 3 m) (4.00 4 W 10 00 . 8 4 2 6 2 4 2 - - × = × = = π πr P I and the sound intensity level is dB. 0 . 66 ) 10 log(3.98 dB) 10 ( 6 = × Repeating with 57.2dB. and W 10 31 . 5 gives m 00 . 3 and W 10 00 . 6 7 5 = ×
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: = × =--β I r P c) With the result of part (a), the amplitudes, either displacement or pressure, must be subtracted. That is, the intensity is found by taking the square roots of the intensities found in part (b), subtracting, and squaring the difference. The result is that dB. 62.1 and W 10 60 . 1 6 = × =-β I...
View Full Document

  • '
  • NoProfessor
  • Frequency, sound intensity level, phase difference

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern