kinetic coefficient
61friction — frictionless, adj. frictionlessly, adv. /frik sheuhn/, n. 1. surface resistance to relative motion, as of a body sliding or rolling. 2. the rubbing of the surface of one body against that of another. 3. dissension or conflict between persons,… …
62History of special relativity — The History of special relativity consists of many theoretical and empirical results of physicists like Hendrik Lorentz and Henri Poincaré, which culminated in the theory of special relativity proposed by Albert Einstein, and subsequent work of… …
63probability theory — Math., Statistics. the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events. Cf. probability (def. 4). [1830 40] * * * Branch of mathematics that deals with analysis of random events.… …
64Bicycle performance — Lance Armstrong in a 2004 Tour de France individual time trial …
65Virial theorem — In mechanics, the virial theorem provides a general equation relating the average over time of the total kinetic energy, , of a stable system consisting of N particles, bound by potential forces, with that of the total potential energy, , where… …
66Timeline of thermodynamics, statistical mechanics, and random processes — A timeline of events related to thermodynamics, statistical mechanics, and random processes. Ancient times *c. 3000 BC The ancients viewed heat as that related to fire. The ancient Egyptians viewed heat as related to origin mythologies. One… …
67Charles's law — For other uses, see Charles Law (disambiguation). An animation demonstrating the relationship between volume and temperature. Charles law (also known as the law of volumes) is an experimental gas law which describes how gases tend to expand when… …
68Plasma modeling — refers to solving equations of motion that describe the state of a plasma. It is generally coupled with Maxwell s Equations for electromagnetic fields (or Poisson s Equation for electrostatic fields). There are several main types of plasma models …
69Bernoulli's principle — This article is about Bernoulli s principle and Bernoulli s equation in fluid dynamics. For Bernoulli s Theorem (probability), see Law of large numbers. For an unrelated topic in ordinary differential equations, see Bernoulli differential… …
70Speed of sound — Sound is a vibration that travels through an elastic medium as a wave. The speed of sound describes how much distance such a wave travels in a certain amount of time. In SI Units with dry air at 20 °C (68 °F), the speed of sound is 343 m/s. This… …
