hw3_solution

hw3_solution - Physics 3C Webassign Homework 3 Solutions:...

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Physics 3C Webassign Homework 3 Solutions: This is straightforward addition of y1 + y2. See me or the TA if you have trouble with this one.
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3. A tuning fork generates sound waves with a frequency of 260Hz. The waves travel in opposite directions along a hallway, are reflected by walls, and return. The hallway is 47m long and the tuning fork is located 14m from one end. What is the phase difference between the reflected waves when they meet at the tuning fork? The speed of sound in air is 343 m/s.
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face each other at a distance of 1.25m. Locate the points along a line joining the two speakers where relative minima of sound pressure amplitude would be expected. ** Note that the book assumes that if the two speakers are driven in phase that the half- way point between the speakers will be a maximum pressure point, or an antinode. This is effectively an assumption that was never made explicit in the problem. See the solutions based on this assumption on the next page…
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hw3_solution - Physics 3C Webassign Homework 3 Solutions:...

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