Search results for “constant composition”

What the pi constant represents

Pi is the ratio of a circle’s circumference to its diameter. And it doesn’t matter how big or small the circle is, the ratio always stays the same: pi. That’s why pi is called a constant. Authors: ZDF/Terra X/Bilderfest/Lena Paul/Dirk Hagen/Saba Bussmann/Jochen Schmidt Translation and dubbing: alu

Composite Functions | Algebra | Maths | FuseSchool

In the introduction to functions video, we discovered what functions are, what domain and range mean and how to solve some problems. We saw that they could be called f(x) or g(x) or any letter. In this video, we’re going to look at composite functions - which makes use of different letters. VISIT

ScienceCasts: Hubble’s Contentious Constant

There are two leading ways to measure the universe's rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that’s a big deal. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alugha.com/NASA

Q12 Autoprotolysis of water

The law of mass action is applied to the autoprotolysis of water. Through further considerations, a constant Kw can be defined. This is called the ionic product of water. This is the basis of the pH value. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done

Are Engineered Nanoparticles Dangerous?

We'll be tackling the risks of nanoparticles and other particles more fully when Risk Bites launches formally in November. But until then, here's a roller-coaster ride of a video on what might be important when thinking about the risks and benefits or nanoparticles - or any other particles for that

Q 11 Substrate Saturation Curve

The reaction speed of the enzyme-catalyzed reactions depends on various factors. In this screencast, the dependence on the substrate concept is explained and the curve is derived. Finally, the Michaelis constant is described. Original: "Wolfgang Dukorn" Original: German. All translations in this v