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Density ( volumetric mass density or specific mass) is a substance's mass per unit of volume. The symbol most often used for density is ρ (the lower case Greek letter rho ), although the Latin letter D can also be used. Mathematically, density is defined as mass divided by volume: [ 1] where ρ is the density, m is the mass, and V is the volume.
The term "Elsagate" was coined on the Internet in 2017. During the summer of that year, it became a popular hashtag on Twitter as users called attention to the presence of such material on YouTube and YouTube Kids. [ 16] On Reddit, an Elsagate subreddit ( r/ElsaGate) was created on June 23 to discuss the phenomenon, soon attracting tens of ...
The CCFC filed an FTC complaint over YouTube Kids shortly after its release, citing examples of inappropriate videos that were accessible via the app's search tool (such as those related to wine in their testing), and the Recommended page eventually using search history to surface such videos. YouTube defended the criticism, stating that it was ...
The area density (also known as areal density, surface density, superficial density, areic density, mass thickness, column density, or density thickness) of a two-dimensional object is calculated as the mass per unit area. The SI derived unit is the kilogram per square metre (kg·m −2 ). A related area number density can be defined by ...
Number density. The number density (symbol: n or ρN) is an intensive quantity used to describe the degree of concentration of countable objects ( particles, molecules, phonons, cells, galaxies, etc.) in physical space: three-dimensional volumetric number density, two-dimensional areal number density, or one-dimensional linear number density.
“Sure, users can access Google's rivals by switching the default search access point or by downloading a rival search app or browser. But the market reality is that users rarely do so.” “The ...
In May, Google launched AI Overview, which CEO Sundar Pichai called the biggest change in search in 25 years, to a limited audience, allowing users to see a summary of answers to queries at the ...
Molar volume. In chemistry and related fields, the molar volume, symbol Vm, [ 1] or of a substance is the ratio of the volume ( V) occupied by a substance to the amount of substance ( n ), usually at a given temperature and pressure. It is also equal to the molar mass ( M) divided by the mass density ( ρ ):