{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

SCAN0016 - 6 Standing on the‘ sidewalk next to your...

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

View Full Document Right Arrow Icon
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 6. Standing on the‘ sidewalk next to your parked car you hear the siren of an approaching fire engine. The transmitted frequency of the approaching fire engine is 1200 Hz but you hear a frequency of 1363 HZ. It is a very hot day with the air temperature at 100°F. a. (5 points) What is the velocity of sound in air? b. (5 points) What is the speed of the approaching fire engine in km/h? 3. V: gsimfs 'U T/z'rfiifi 7. A speaker is mounted on a vertical pole at the same height as your ear. A second speaker is mounted on the same pole, 3.0 m above the first speaker. These speakers transmit in phase a sound wave of frequency 460 Hz. Assume the speed of sound in % air is 345 Hz. ‘ a. (5 points) Describe the interference you hear standing near the pole. { b. (5 points) As you walk from the pole to a point that is 4.0 m from the base of the ’Q pole, how many constructive ' terference maximums and how many destructive ...
View Full Document

{[ 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