A string oscillates according to the equation yacute 0175, Ask an Expert

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A string oscillates according to the equation y´ = (0.175 cm) sin[(?/5.0 cm-1)x] cos[(22.6 ? s-1)t]. What are the

(a) amplitude and

(b) speed of the two waves (identical except for direction of travel) whose superposition gives this oscillation?

(d) What is the transverse speed of a particle of the string at the position x = 1.18 cm when t = 1.21 s? Give your answers in centimeter-based units.

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