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    History of Physics

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    Physics began when man first started to study his surroundings. Early applications of physics include the invention of the wheel and of primitive weapons. The people who built Stone Henge had knowledge of physical mechanics in order to move the rocks and place them on top of each other. It was not until during the period of Greek culture that the first systematic treatment of physics started with the use of mechanics. Thales is often said to have been the first scientist‚ and the first Greek philosopher

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    Physics Experiment

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    EXPERIMENT NO-1 AIM- To determine the frequency of A. C. mains by using an electric vibrator. APPARATUS- Electric vibrator‚ table lamp‚ pulley‚ weight box‚ fishing cord‚ a. c. source. THEORY- when a cord of mass per unit length m is connected to the vibrating rod of the vibrator and stretched with a tension T‚ the cord vibrators in segments. If the length of the cord is then adjusted until the nodes are clearly marked‚ the frequency of the stretched string is the same as of the vibrating rod which

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    Physics Formulas

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    position of planets. Johannes Kepler‚ after a detailed analysis of the measurements announced three laws in 1619. 1.  The orbit of each planet is an ellipse which has the Sun at one of its foci. 2.  Each planet moves in such a way that the (imaginary) line joining it to the Sun sweeps out equal areas in equal times. 3.  The squares of the periods of revolution of the planets about the Sun are proportional to the cubes of their mean distances from it.  Newton’s law of universal gravitation About

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    physics of flight

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    Edgar Xiong David Blackburn Period 3 Physics of Flight One may wonder‚ what is flight? Many just stare up into the blue skies above and assume. while others devote their lives to discovering and finding a passion in aviation. Flight can be simply characterized as the [powered] gliding of an object through the air‚ but the wonders of soaring through the air does not simply stop there‚ instead‚ flight is a whole myriad of forces acting on each other‚ as so found out by scientists decades

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    The Physics of a Guitar

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    Physics of a Guitar (Rough Draft) The guitar is the most played instrument in the music world. The oldest surviving guitar is thought to be made around 1776 in Italy by Gaetano Vinaccia. Though‚ the guitar looks like a simple instrument to construct or play there is a lot of physics behind the creation of it‚ from the strings to the air inside‚ the anatomy‚ and the sound spectrum. There are three types of guitars that are made: nylon acoustic‚ steel-string‚ and electric. Acoustic guitars produce

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    Plasma Physics

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    charge carriers makes the plasma electrically conductive so that it responds strongly to electromagnetic fields. Plasma‚ therefore‚ has properties quite unlike those of solids‚ liquids‚ or gases and is considered to be a distinct state of matter. Like gas‚ plasma does not have a definite shape or a definite volume unless enclosed in a container; unlike gas‚ in the influence of a magnetic field‚ it may form structures such as filaments‚ beams and double layers. Some common plasma is stars and neon

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    Physics Electrodynamics

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    The magnitude of the electric field at D‚ the fourth corner of the square‚ is approximately | A) | 1.4  107 N/C | D) | 30 N/C | B) | 1.0  1011 N/C | E) | 1.8  107 N/C | C) | 3.6  1010 N/C | | | | | | An infinitely long cylinder of radius 4.0 cm carries a uniform volume charge density  = 200 nC/m3. What is the electric field at r = 2.0 cm? | | A) zero B) 0.11 kN/C C) 57 N/C D) 0.44 kN/C E) 0.23 kN/C | | A uniform line charge of linear charge

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    Physics Paper as

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    Version 1.0 General Certificate of Education (A-level) January 2012 Physics A (Specification 2450) PHYA2 Unit 2: Mechanics‚ materials and waves Final Mark Scheme Mark schemes are prepared by the Principal Examiner and considered‚ together with the relevant questions‚ by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all examiners participate in and is the scheme which was used by them in this examination. The standardisation

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    Physics

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    The Jewish Scripture starts right at the beginning of time itself‚ where God created the universe‚ and only then did he create the earth (Genesis 1). Right from the beginning God has had an intimate connection between God and the world‚ and this connection is believed to continue throughout time. From the moment god created humanity (Gen. 1:26)‚ we were created for the one purpose to protect the earth. But it is in the story of Noah that we perhaps truly learn about the role that God had created

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    Physics 2102

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    2. For what electric field strength would the current in a 2.0 mm diameter nichrome wire be the same as the current in a 1.0 mm diameter aluminum wire in which the electric field strength is 0.0095 N/C? [Conductivity of Aluminum = 3.5 x 107Ω -1m-1 and conductivity of Nichrome = 6.7 x 105Ω -1m-1] 3. What is the escape speed of an electron launched from the surface of a 1.0 cm diameter plastic sphere that has been charged to +11 nC? 4. The electric potential in a region

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