Question

Two boats - Boat A and Boat B - are anchored a distance of 20 meters apart. The incoming water waves force the boats to oscillate up and down, making one complete cycle every 15 seconds. When Boat A is at its peak, Boat B is at its low point and there is one crest between the two boats. The vertical distance between Boat A and Boat B at their extreme is 14 meters.

(A) Determine the wavelength of the wave in m to the nearest 0.1 m.

Answer 1

40m

Step-by-step explanation:

The distance between the two boats is 20m, that distance is half of the total distance that a wave spans, how.? because when one wave is at its peak and another at its bottom, 20m is the distance between two vertical lines connecting trough and crest of boat A and B, that is half of any wave distance or wave-length, so doubling it gives us wavelength of 40m.