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HW6 - ECE 473/TAM 413 Homework Assignment#6 Due Friday Hour...

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ECE 473/TAM 413 Homework Assignment #6 Due: Friday October 10, 2008 Hour Exam 1: Tuesday, October 14, 2008, 7:00-8:30 pm Hour exams are open book (the text for the course) with one sheet of notes (you can use both sides). Your class notes and lecture notes are not permitted. You can use calculators. Note to graduate students taking the course for 4 hours of graduate credit (NB: only graduate students can receive 4 hours of credit) : For the additional 1 hour of credit, you are required to write a paper (typically about 10 pages, double spaced) that discusses in some detail any topic on acoustics for which the fundamentals of engineering acoustics are explicitly described . The paper needs to be based on 5 peer-reviewed publications. The paper will be due Monday, December 5, 2008. However, I must approve the topic and peer-reviewed publications. For the approval process, prepare a one-page outline (including 5 peer-reviewed citations) for submission Monday, October 6, 2008 . 1. A 5-kHz plane wave in water at 20˚C with a peak pressure amplitude of 300 Pa is normally incident on a water-turpentine interface. (a) Determine the transmitted and reflected peak pressure amplitudes. (b) Determine the temporal- average magnitudes of the transmitted and reflected intensity vectors. (c) Determine the sound pressure level of the incident wave relative
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