A transverse periodic wave is represented by the equation y(z, t) = -2.0 cm sin(1,200 rad/s t - 20.0
x). Another transverse wave is represented by the equation y(z, t) = +2.0 cm sin(1,200 rad/s t + 20.0
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
z)
B. y(x, t) = 4.0 cm sin(1,200 rad/s t)cos (20.0x)
C. y(x, t) = +4.0 cm cos(1,200 rad/s)sin (20.0x)
D. y(x, t) = +4.0 cm cos(1,200 rad/s) + (20.0x)
C. y(x, t) = +4.0 cm cos(1,200 rad/s)sin (20.0x)
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