# Solved: A note on a piano has given frequency F. Suppose the maximum displacement at the

**Chapter 4, Problem 27**

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A note on a piano has given frequency F. Suppose the maximum displacement at the center of the piano wire is given by s102. Find constants a and v so that the equation s1t2 = a cos vt models this displacement. Graph s in the viewing window 30, 0.054 by 3-0.3, 0.34. F = 55; s102 = 0.14

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