Multiple Choice
A longitudinal wave travels on a slinky or any long spring.The wave is represented by the equation x(x,t) = 2.1 cm cos(2000 rad/s t - 40 m-1 x) .What is the direction of the velocity of the wave?
A) the - x direction
B) the + x direction
C) the - y direction
D) the + y direction
Correct Answer:
Verified
Correct Answer:
Verified
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