A Transverse Periodic Wave Is Represented by the Equation Y(z

A transverse periodic wave is represented by the equation y(z, t) = −2.0 cm sin(1,200 rad/s t − 20.0 m⁻¹ x) . Another transverse wave is represented by the equation y(z, t) = +2.0 cm sin(1,200 rad/s t + 20.0 m⁻¹ z) . What is the equation that represents the superposition of the two waves?

A) y(z, t) = 4.0 cm sin(1,200 rad/s t − 20.0 m⁻¹ z)
B) y(x, t) = 4.0 cm sin(1,200 rad/s t) cos (20.0 m⁻¹ x)
C) y(x, t) = 4.0 cm cos(1,200 rad/s t) sin (20.0 m⁻¹ x)
D) y(x, t) = 4.0 cm cos(1,200 rad/s t + 20.0 m⁻¹ x)

Correct Answer:

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