starting impulse
41Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance …
42drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… …
43Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… …
44international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
45Rocket — This article is about vehicles powered by rocket engines. For other uses, see Rocket (disambiguation). A Soyuz U, at Baikonur Site 1/5 A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engi …
46Dirac delta function — Schematic representation of the Dirac delta function by a line surmounted by an arrow. The height of the arrow is usually used to specify the value of any multiplicative constant, which will give the area under the function. The other convention… …
47Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr …
48Pharoah Sanders — Infobox musical artist Name = Pharoah Sanders Img capt = Photo by Matt Brown Img size = Landscape = Background = non vocal instrumentalist Birth name = Pharoah Sanders Alias = Born = birth date and age|1940|10|13 Died = Origin = Little Rock,… …
49Cardiac arrhythmia — Dysrhythmia redirects here. For the American band, see Dysrhythmia (band). ICDO = OMIM = MedlinePlus = 001101 eMedicineSubj = eMedicineTopic = MeshID = D001145 Cardiac arrhythmia (also dysrhythmia) is a term for any of a large and heterogeneous… …
50Steam turbine — A rotor of a modern steam turbine, used in a power plant A steam turbine is a mechanical device that extracts thermal energy from pressurized steam, and converts it into rotary motion. Its modern manifestation was invented by Sir Charles Parsons… …
