A sinusoidal transverse wave traveling in the positive direction of an x axis has an amplitude of 3.8 cm, a wavelength of 28 cm, and a frequency of 380 Hz. If the wave equation is of the form y(x,t) = Ym sin(kx - wt), what are (a) Ym» (b) k, and (c) w, (d) the correct choice of sign in front of w? What are (e) the maximum speed of a point on the cord and (f) the speed of the wave?

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