Two long straight aluminum wires, each of diameter 0.40 mm, carry the same current but in opposite directions. They are suspended by 1.0-m-long strings as shown in the figure. If the suspension strings make an angle of 4.0° with the vertical and are hanging freely, what is the current in the wires? (density of aluminum = 2.7 g/cm', g-9.80 m/s?) 80 Her birinin çapı 0,40 mm olan iki uzun alüminyum kablo eşit büyüklükte ama zıt yönde akımlar taşımaktadırlar. Bu iki kablo 1,0 m uzunluğunda ipler ile askıda tutulurken iplerin düşey ile yaptığı açı 4,0° olmaktadır. Tellerdeki akım nedir? (alüminyum yoğunluğu- 2,7 g/cm', g-9,80 m/s?) 1.0 m

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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.