Suppose an ocean wave under fairly calm conditions has a height of 1/3 meter and carries a power of 500  watts for every meter along  the length of the swell. These are typical values for a calm day at sea.  How much more energy would be carried by the waves  that are 3 meters high (10 feet!) in a stormy sea?     81 times more energy     9 times more energy     730 times more energy     the same energy

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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.