Question

Waves are observed passing under a dock. Wave crests are 8.0 meters apart. The time for a complete wave to pass by is 4.0 seconds. The markings on the post submerged in water indicate that the water level fluctuates from a trough at 6.0 meters to a crest at 9.0 meters. Calculate the velocity of the wave.

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Answer 1

2 m/s is the answer .

Step-by-step explanation:

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Answer 2

2 m/s

Step-by-step explanation:

The crest of the wave moves 8 meters in 4 seconds, so its speed is ...

(8 m)/(4 s) = 2 m/s