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For example, to calculate the dynamics of a billiard ball being struck, one can approximate the force of the impact by a Dirac delta. In doing so, one not only simplifies the equations, but one also is able to calculate the motion of the ball, by only considering the total impulse of the collision, without a detailed model of all of the elastic ...
1CC Abbreviation of one-credit completion or one-coin clear. To complete an arcade (or arcade-style) game without using continues. [1]1-up An object that gives the player an extra life (or attempt) in games where the player has a limited number of chances to complete a game or level.
Legend Color / Symbol Description 1. name: A contestant's name preceded by the numeral 1 signifies the winner.: 2. name: A contestant's name preceded by the numeral 2 signifies 2nd place.
Snowpiercer is an American post-apocalyptic dystopian thriller television series that premiered on May 17, 2020, on TNT.It is based on both the 2013 film of the same name, directed by Bong Joon-ho, and the 1982 French graphic novel Le Transperceneige by Jacques Lob, Benjamin Legrand and Jean-Marc Rochette, from which the film was adapted.
The Mach number (M or Ma), often only Mach, (/ m ɑː k /; German:) is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a boundary to the local speed of sound. [1] [2] It is named after the Austrian physicist and philosopher Ernst Mach. =, where: M is the local Mach number,
A TEM image of a cluster of poliovirus.The polio virus is 30 nm in diameter. [1] Operating principle of a transmission electron microscope. Transmission electron microscopy (TEM) is a microscopy technique in which a beam of electrons is transmitted through a specimen to form an image.
Total atmospheric mass is 5.1480 × 10 18 kg (1.13494 × 10 19 lb), [42] about 2.5% less than would be inferred from the average sea-level pressure and Earth's area of 51007.2 megahectares, this portion being displaced by Earth's mountainous terrain. Atmospheric pressure is the total weight of the air above unit area at the point where the ...
Presidential elections were held in the United States on November 3, 2020. [a] The Democratic ticket of former vice president Joe Biden and the junior U.S. senator from California Kamala Harris defeated the incumbent Republican president Donald Trump, and vice president Mike Pence. [9]