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A sinusoidal wave is traveling on a string with speed 40 ??/?. The displacement of the...

A sinusoidal wave is traveling on a string with speed 40 ??/?. The displacement of the particles of the string at ? = 10 ?? varies with time according to ? = (5.0 ??) sin(1.0 − 4.0?). The linear density of the string is 4.0 ?/??. What are a) the frequency and b) the wavelength of the wave? If the wave equation is of the form ?(?,?) = ? sin(?? ± ??), what are c) ?, d) ?, e) ?, and f) the correct choice of sign in front of ?? g) What is the tension in the string?

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