Physics Questions 60

Please refer to the graph attached to answer these four questions. please show explanation/work

1.) At which points are there pressure nodes? Tell me their location as a number (what distance on the x-axis are they?)

2.) Where are the regions of maximum compression? Tell me their location as a number (what distance on the x-axis are they?)

3.) Where are the regions of maximum rarefaction? Tell me their location as a number (what distance on the x-axis are they?)

4.) The 8th normal mode of this system has a wavelength of 12 ft. What is its frequency? Recall that the information given you in #4

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