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A sinusoidal wave is traveling on a string with speed 150 cm/s. The displacement of the...

A sinusoidal wave is traveling on a string with speed 150 cm/s. The displacement of the particles of the string at x = 22 cm is found to vary with time according to the equation
y = (7.6 cm) sin[0.85 - (5.8 s-1)t].
The linear density of the string is 9.9 g/cm. What are (a) the frequency and (b) the wavelength of the wave? If the wave equation is of the form
y(x,t) = ym sin(kx - ωt),
what are (c) ym, (d) k, and (e) ω, and (f) the correct choice of sign in front of ω? (g) What is the tension in the string?

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