® keep it simple science Copying is permitted according to the Site Licence Conditions only Preliminary Physics Topic 4 THE COSMIC ENGINE What is this topic about? To keep it as simple as possible‚ (K.I.S.S.) this topic involves the study of: 1. THE HISTORY OF OUR UNDERSTANDING OF THE UNIVERSE 2. HOW THE UNIVERSE BEGAN (THE "BIG BANG" THEORY) 3. LIFE-CYCLES OF THE STARS 4. ENERGY FROM THE SUN‚ & ITS EFFECTS ON US but first‚ let’s revise... The Structure of the Universe The EARTH
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The Measure of Success “What do you want to be when you grow up?” is a familiar‚ yet complex‚ question that every child at some time or another has been asked. As a child‚ it is essentially simple to decide what to be; but as that child grows up his or her ideas and passions change. Passion is what drives people to further their education. Everyone has a dream about what their career might look like once they reach adulthood. It is ultimately what we decide to do with our life that determines
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Parallels between Measure for Measure and The Merchant of Venice‚ As You Like It‚ and Twelfth Night What is comedy? Funk and Wagnalls New Encyclopedia says: "A comedy depicts the follies and absurdities of human beings." Webster’s Dictionary defines comedy as: "A drama or narrative with a happy ending." Shakespeare’s play‚ Measure for Measure‚ fits both of these descriptions. Follies and absurdities are present in the play: Lucio slanders the Duke‚ not realizing that his crude remarks are
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Establishing‚ Presenting and Using Outcome Measures ∗ Outcome measures are important to accreditation and other forms of evaluation. Outcome measures are quantifiable indicators that gauge productivity‚ in this case productivity of a school or graduate program of public health. Although this paper refers to schools‚ the information and advice herein are also applicable to graduate programs outside schools of public health. These quantifiable indicators may represent a school in its entirety‚ or
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Since the birth of Physical Review Letters fifty years ago‚ condensed matter physics has seen considerable growth‚ and both the journal and the field have flourished during this period. In this essay‚ I begin with some general comments about condensed matter physics and then give some personal views on the conceptual development of the field and list some highlights. The focus is mostly on theoretical developments. DOI: 10.1103/PhysRevLett.101.250001 PACS numbers: 01.30.−y The transistor
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designed to manage and measure staff recruitment efficiency‚ effectiveness‚ and alignment with the culture‚ mission‚ and strategy of the organisation. Apart from surveys and interviews the following represent a few ideas on how the recruitment and selection process and/or its indicators can be measured: Lead time or Hiring cycle e.g. time taken to fill an employee vacancy from advertisement to offer‚ acceptance of position and start of work. Explanation: This is a measure of the organisation’s
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ABOUT PHYSICS AND SOME MAIN TOPICS: 1. Temperature 2. Heat and thermal heat (energy) 3. Heat capacity 4. Phases of water 5. Expansion 6. Ideal gas 7. Laws of thermodynamics 8. Heat capacity of gas 9. Specific heat capacity TEMPERATURE is a physical quantity that is a measure of hotness and coldness on a numerical scale.[1] It is a measure of the thermal energy per particle of matter or radiation; it is measured by a thermometer‚ which may be calibrated
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com/mmedia/circmot/rcd.cfm What is ‘g force’ in physics? G‚ in physics‚ a symbol relating to gravity. A capital G indicates the gravitational constant‚ as explained in the article GRAVITATION. A lower-case g stands for the acceleration imparted by gravity at the earth’s surface. An acceleration of 1 g is 32. 1 feet per second per second (9.8 m/s2). Fliers and astronauts may experience accelerations many times larger than 1 g. These accelerations are usually expressed in multiples of g‚ such as
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Section A How does the engine size(capacity) of a motor car relate to the acceleration of the car? Hypothesis: The acceleration of a car will increase if the size(capacity) of the engine increases. The car with the biggest engine capacity will take the fastest to reach the velocity of 60km/h from rest position. Method: 1) Arrange to use three different hatchback cars with different engine capacities‚ but
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The Amazing Planes of World War II Planes played a very important role in World War II. Most attacks in World War II were from planes in air attacks. “Air superiority is a condition for all operations‚ at sea‚ in land‚ and in the air‚” said Air Marshal Arthur Tedder (“World War 2 Quotes”). After World War II‚ planes became more common and popular. Today‚ many people use planes for travel. The planes in World War II had a huge impact on history and all of the countries that used planes. First‚ World
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