Homework Assignment Chapter 12

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Q Homework Assignment Chapter 12. Mechanical Waves and Sound For this assignment complete the following problems from chapter 12. Scan or take images of your work and save it as a png, jpeg or pdf and upload it. This is for a completion grade only. It is important that you work through problems on your own to learn how to solve physics problems. Solutions will be posted after the due date so you can check your work and make sure you are ready for the quiz. Problems/General Problems: 1, 6, 8, 10, 11, 14, 19, 20, 27, 28, 32, 34, 37, 41, 48, 50, 55 MCAT: 75-79

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1. In ,V=f? a.344 m/ms=f min?max 20 Hz*? max ?max =17.2 m ? min=V/f max=344m/s /20000 Hz = 17.2*10-3 m b.In ,f = V/? f max=V/ ?min=3*108 m/s /400mm= 750 *1012 Hz

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