Quasi-standing wave, speedboat

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Quasi-standing waves occur when a boat moves through water, creating a pattern of waves that appear to remain in place relative to the boat. These waves are influenced by the boat's speed and the water's depth, leading to a complex interaction between the boat's hull and the water surface. Speedboats can reach impressive speeds, often exceeding 60 mph, due to their design, which minimizes drag and allows for efficient propulsion. As speedboats accelerate, they rise up on the water's surface, a phenomenon known as "planing," which reduces the wetted surface area and increases speed. Understanding these concepts involves principles of fluid dynamics and wave mechanics.
noir3
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Hello people,

i have just 2 questions and i would be veeeeery happy if someone answer me.
First question is about quasi-standing wave on water from boats. If someone can explain me how it's made and what it is.
And second question is about speedboats. What is maximum speed that they can go? Why they rise up? And what physical is about it?

Thank you very very much if someone answer me on this things.
 
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