A.There are two boats anchored in the harbor, separated by a horizontal distance of 40 meters.The boats bob up and down as the waves enter the harbor. when one boat is at its highest point the other boat is at its lowest point, and there are two wave crests between them. Each boat makes exactly 2 up-and-down cycles every 10 seconds. When Boat A is at its highest point, Boat B is at its lowest point; at this moment, there are two wave crests between the two boats. The vertical distance between the boats their extremes is 3.0 meters. Determine the amplitude, frequency, period, wavelength, and wave speed. Show all work. B.

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Shock Waves

Shock waves are common in continuum mechanics, and their dominance is attributable to the fact that they are stronger (or even less) compressible. Substantial perturbations propagated as sudden dynamic changes of a compressible medium supersonically. Shock waves are all around us in our daily lives. Lightning, earthquakes, volcanic eruptions, and meteorite impact all produce them in nature. Even the earth, which is protected by its magnetic field, generates a shock wave as in solar wind that travels around 20 Earth radiuses. These shock waves might be either constant, linked to the body, or unsteady, i.e., moving around with time. All of the shocks mentioned above can be damaging, so precautions must be taken to reduce their impact.