rev15f10 - TA Tomoyuki Nakayama Monday December 6 2010 PHY...

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TA: Tomoyuki Nakayama Monday, December 6, 2010 PHY 2048: Physics 1 with Calculus, Fall 2010 Review: Chapter 17.1-17.10 The purpose of this review is to refresh your memory. Physics is a cumulative subject, so make it sure you understand basic concepts and typical problem solving techniques in previous chapters before moving on to a new chapter! ________________________________________________________________________________ A. Sound Waves & Interference Two identical sources of sound are separated by 1 m, and they emit waves in phase at wavelength of 0.3 m. If we move a sound detector along a large circle centered at the midpoint between the sources, at how many points does the detector detect constructive interference? B. Doppler Effects Passengers in a car traveling at 15 m/s hear a siren with a frequency of 1000 Hz from a fire engine approaching them from behind at a speed of 40 m/s. What frequency do the passengers hear after the fire engine passes them?
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TA: Tomoyuki Nakayama Monday, December 6, 2010 PHY 2048: Physics 1 with Calculus, Fall 2010 Practice Exam Problems (Chapter 17.1-17.10) Working on this problem set is optional, but it is strongly recommended. It is quite possible that
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