working equation

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• Working mass — is a mass against which a system operates in order to produce acceleration. All acceleration requires an exchange of momentum, which can be thought of as the unit of movement . Momentum is related to mass and velocity, as given by the formula P …   Wikipedia

• Working fluid — The working fluid in a machine is the pressurized gas or liquid which actuates the machine. Examples include steam in a steam engine, air in a hot air engine and hydraulic fluid in a hydraulic motor or hydraulic cylinder. More generally, a… …   Wikipedia

• Tsiolkovsky rocket equation — Tsiolkovsky s rocket equation, or ideal rocket equation is named after Konstantin Tsiolkovsky, who independently derived it and published in his 1903 work [К. Э. Циолковский, Исследование мировых пространств реактивными приборами, 1903. It is… …   Wikipedia

• Quality of working life — another method for measurement of job satisfaction based on Hackman and Oldham theory I came across is to measure the 5 dimensions of job through a survey and then determine the JDS (job diagnostic survey) rating through this equation (Variety +… …   Wikipedia

• Dirac equation — Quantum field theory (Feynman diagram) …   Wikipedia

• Price equation — The Price equation (also known as Price s equation) is a covariance equation which is a mathematical description of evolution and natural selection. The Price equation was derived by George R. Price, working in London to rederive W.D. Hamilton s… …   Wikipedia

• Matrix differential equation — A differential equation is a mathematical equation for an unknown function of one or several variables that relates the values of the function itself and of its derivatives of various orders. A matrix differential equation is one containing more… …   Wikipedia

• Nernst equation — In electrochemistry, the Nernst equation is an equation that can be used (in conjunction with other information) to determine the equilibrium reduction potential of a half cell in an electrochemical cell. It can also be used to determine the… …   Wikipedia

• N-slit interferometric equation — Quantum mechanics was first applied to optics, and interference in particular, by Paul Dirac.[1] Feynman, in his lectures, uses Dirac’s notation to describe thought experiments on double slit interference of electrons.[2] Feynman’s approach was… …   Wikipedia

• Steinhart–Hart equation — The Steinhart–Hart equation is a model of the resistance of a semiconductor at different temperatures. The equation is::{1 over T} = A + B ln(R) + C (ln(R))^3 ,where: * T is the temperature (in kelvins) * R is the resistance at T (in ohms) * A, B …   Wikipedia

• Schofield equation — The Schofield Equation is a method of estimating the basal metabolic rate (BMR) in calories of adult men and women.It is commonly used by dieticians as a means of estimating the total calorie intake required to maintain current body mass. This… …   Wikipedia