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Popular pages
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Astronomy — Greg School
The Milky Way galaxy—our home galaxy—is a grand assemblage of over one-hundred billion stars that spans one-hundred thousand light-years across space. But that isn't all that there is in our galaxy. E...
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Greg School
Learn any subject in physics. Topics range from classical mechanics to cosmology and beyond.
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Classical Mechanics — Greg School
CLASSICAL MECHANICS
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Introduction to Line Integrals — Greg School
Line integrals are used to find the area between a surface \(f(x,y)\) and any arbitrary curve. In this lesson, we'll define the idea of line integral and derive a formula for calculating them.
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Introduction to Physics and the Scientific Method — Greg School
In this section, we delve into some very fundamental ideas which, although expressed with respect to different quantities, are the basis of not only classical mechanics but also relativistic and q...
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Articles & Videos — Greg School
In this article, we’ll talk in laymen terms about quantum theory and general relativity and, specifically, how the two are related. We shall begin by discussing the well-known fact that these two theo...