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Classical mechanics is the branch of physics used to describe the motion of macroscopic objects. [1] It is the most familiar of the theories of physics. The concepts it covers, such as mass, acceleration, and force, are commonly used and known. [2] The subject is based upon a three-dimensional Euclidean space with fixed axes, called a frame of ...
A cheat sheet that is used contrary to the rules of an exam may need to be small enough to conceal in the palm of the hand Cheat sheet in front of a juice box. A cheat sheet (also cheatsheet) or crib sheet is a concise set of notes used for quick reference. Cheat sheets were historically used by students without an instructor or teacher's ...
Continuous charge distribution. The volume charge density ρ is the amount of charge per unit volume (cube), surface charge density σ is amount per unit surface area (circle) with outward unit normal nĚ‚, d is the dipole moment between two point charges, the volume density of these is the polarization density P.
Originally based on the American Chemical Society's general chemistry test, PhysicsBowl was used as an external benchmark for physics teachers to assess student performance starting in 1983. The contest was first administered nationally in 1985 as the "Metrologic Exam," named after its original sponsor, and was renamed to "Physics Bowl" in 1990 ...
From the IS4S Salute to Veterans Bowl on Dec. 14 to the College Football Playoff National Championship Game on Jan. 20, 82 teams will play in at least one postseason game.
Darius Garland scored 25 points, Donovan Mitchell scored 23 and the Cleveland Cavaliers extended their winning streak to seven games with a 113-95 victory over the Golden State Warriors on Monday ...
Jay-Z, the star rapper and entrepreneur whose real name is Shawn Carter, was accused in a lawsuit Sunday of raping a 13-year-old girl in 2000 allegedly along with Sean “Diddy” Combs.
In order to define the Polyakov action, the world-sheet is equipped with a world-sheet metric [4], which also has signature (, +) but is independent of the induced metric. Since Weyl transformations are considered a redundancy of the metric structure, the world-sheet is instead considered to be equipped with a conformal class of metrics [ g ...