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quiz 2-1

# quiz 2-1 - -1-0.8-0.6-0.4-0.2 0.2 0.4 0.6 0.8 1 1 2 3 4 5...

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1) Two speakers are placed at x = 0 and are hooked up to two generators so that they each produce a sound wave traveling in the positive x-direction (assume that the waves are one-dimensional). The top figure shown below shows the difference in the air pressure (from atmospheric pressure) caused by the first speaker as a function of x for a time t = 0 s. The bottom figure shows the same plot at the same time but for the sound produced by the second speaker. -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 0 1 2 3 4 5 P (Pa) x (m)
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Unformatted text preview: -1-0.8-0.6-0.4-0.2 0.2 0.4 0.6 0.8 1 1 2 3 4 5 x (m) a) Use the grid below the two figures to plot a picture of the resulting total wave at t = 0 when both of these waves are present. Be sure to put the appropriate numbers on your axes. b) Write the complete wave equation for the total wave. Include actual values for all the parameters that can be found from the information given. c) Describe in words what a person would hear if she were listening to both speakers....
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