Awave travels 12 m east in 3.0 s. what is the velocity of the wave?

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

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