rev13s11 - TA: Tomoyuki Nakayama Monday, April 18, 2011 PHY...

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TA: Tomoyuki Nakayama Monday, April 18, 2011 PHY 2048: Physics 1 with Calculus, Spring 2011 Review: Chapter 16.1-17.10 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. Traveling Waves A sinusoidal transverse wave of wavelength 20 cm travels along a string in + x direction. The displacement of the string element at x = 0 is given in the figure on the right, where y s = 5 cm. Assuming the wave function has a form of y (x,t) = y m sin( kx- ω t+ φ ), find y m , k, ω , φ and the speed of the wave. B. 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?
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rev13s11 - TA: Tomoyuki Nakayama Monday, April 18, 2011 PHY...

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