A Transverse Periodic Wave Is Represented by the Equation Z(y

A transverse periodic wave is represented by the equation z(y, t) = 1.50 cm sin(1,250 rad/s t + 10.0 m⁻¹ y) . What are the wavenumber k and direction of propagation of the wave?

A) 10 m⁻¹; traveling in the + y direction
B) 10 m⁻¹; traveling in the − y direction
C) 20 m⁻¹; traveling in the + z direction
D) 20 m⁻¹; traveling in the − z direction
E) 10 m⁻¹; traveling in the − z direction

Correct Answer:

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