What physical phenomenon did Mach study?
Tides
Volcanoes
Shock waves
Magnetism
Answer
Shock waves are abrupt changes in pressure, temperature, and density that occur when an object moves through a medium faster than the speed of sound. This creates a region of high pressure behind the object and a region of low pressure in front of it. The study of shock waves is called gas dynamics, and it has applications in many fields, including aerodynamics, ballistics, and astrophysics.
Mastering Mach: Test Your Knowledge on Ernst Mach's Contributions
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