Respuesta :

JoshEast

Answer:  + 4 m/s


Working Out:

V = Δ x  ÷  Δ t ;where V =  velocity, Δ x = displacement, Δ t = change in time


V = Δ x  ÷  Δ t

V = (12 m east) ÷ 3.0 s

V = 4 m/s to the east  OR V = + 4 m/s


∴ The velocity of the wave is + 4 m/s

Answer:

4 m/s

Explanation: TOOK THE TEST