energy budget equation
61Galloping Gertie — This article is about the first Tacoma Narrows Bridge, which collapsed in 1940. For the article on the current bridge, see Tacoma Narrows Bridge. Infobox Bridge bridge name = Tacoma Narrows Bridge (Galloping Gertie) caption = The first Tacoma… …
62Semi-major axis — The semi major axis of an ellipse The major axis of an ellipse is its longest diameter, a line that runs through the centre and both foci, its ends being at the widest points of the shape. The semi major axis is one half of the major axis, and… …
63Peak oil — A logistic distribution shaped production curve, as originally suggested by M. King Hubbert in 1956 …
64Jack Sarfatti — Infobox Celebrity image size = 150px name = Jack Sarfatti imagesize = caption = birth date = Birth date and age|1939|9|14|mf=y birth place = Brooklyn, New York death date = death place = occupation = Theoretical physicist salary = networth =… …
65electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …
66Lagrange multiplier — Figure 1: Find x and y to maximize f(x,y) subject to a constraint (shown in red) g(x,y) = c …
67Economy of France — Infobox Economy country = France width = 150 caption = La Défense is a major business district in Paris currency = 1 euro (€1) = 100 cent year = Calendar year organs = EU, WTO and OECD rank = 6th gdp = $1.871 trillion (2006) growth = 2% (2006)… …
68Oberth effect — In astronautics, the Oberth effect is where the use of a rocket engine when travelling at high speed generates much more useful energy than one at low speed. Oberth effect occurs because the propellant has more usable energy (due to its kinetic… …
69Escape velocity — In physics, escape velocity is the speed where the kinetic energy of an object is equal to the magnitude of its gravitational potential energy, as calculated by the equation,:U g = frac{ Gm 1m 2}{r}.It is commonly described as the speed needed to …
70Corporate Average Fuel Economy — CAFE redirects here. For other uses, see Cafe (disambiguation). The Corporate Average Fuel Economy (CAFE) are regulations in the United States, first enacted by the U.S. Congress in 1975,[1] and intended to improve the average fuel economy of… …
