A longitudinal wave travels on a slinky or any long spring. The wave is represented by the equation z(z, t) = 1.2 cm cos(1800 rad/s t + 60z). What is the wave vector of the wave?

A. 60 in the + z direction

B. 60 in the - z direction

C. 60 in the + x direction

D. 60 in the - x direction


B. 60 in the - z direction

Physics & Space Science

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