Chapter 7: Work and Kinetic Energy-1. Reading assignment: Chapter 7.6-7.9 Homework: due Monday, Sept 28, 2009 Chapter 7: 5AE's, 5AF's, Q7, 2, 9, 18, 22 . The concept of energy (and the conservation of energy) is one of the most important topics in physics. Work Dot products
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Test 2 results. Test 2 average: 77 (test 1: 82) Test 2 median: 79 (test 1: 87). SOHO: The Solar and Heliospheric Observatory . 1.5 million km from the Earth at the L1 point. L1: SOHO L2: WMAP L3: empty. (unstable points). The Lagrange Points. L4,5: Trojans (stable points).
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Mass Statistics. Add mass for main sequence to our plot Masses vary little Model: Stars are the same : mass determines rest Heavy stars hot , luminous. Mass-Luminosity Relation. Find approximately Borne out by models: Mass compresses star increasing rate of fusion
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Chapter 30 Section 2 Handout. Stellar Evolution. 1. Why are astronomers not able to observe the entire life of any star? Because a star typically exists for billions of years. 2. What is luminosity? The total amount of energy a star gives off each second. 3.
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Quasars, black holes and galaxy evolution. 3C273. Clive Tadhunter University of Sheffield. Hubble galaxy classification. Late type?. Early type?. Seyfert Galaxies. Optical images. Optical spectra. Seyfert (1943). The discovery of the quasar 3C273. (Schmidt 1963). Optical image.
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Evolution of the Universe. Frank L. H. Wolfs Department of Physics and Astronomy University of Rochester. Outline. Why do I talk about this topic? Tools used to probe the evolution of the Universe: Astronomy Nuclear Physics High-Energy Physics Going back in time in New York State:
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Units to be covered:77-82 . Also please send suggestions for the topics to be covered by my next lecture on Dec. 10. This lecture is going to cover exciting developments in Astrophysics and Cosmology not covered by your textbook. My mail is email@example.com.
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Fermi-Dirac distribution and the Fermi-level.
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www.beginningtheisticscience.com. Starting Science From God 2: Discrete Degrees. Ian Thompson Visiting Professor of Physics, University of Surrey, England. Currently employed at Lawrence Livermore National Laboratory. www.ianthompson.org
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Ultra-Luminous Red Novae: Extreme CVs or Mergebursts?. M. Shara and D. Zurek American Museum of Natural History Ofer Yaron Dina Prialnik Attay Kovetz Tel-Aviv University Howard Bond (under protest) Space Telescope Science Institute. Overview. A New Astrophysical Phenomenon?
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Principles of Energy Chapter 1. What is Energy?. Energy is defined as the ability to produce change or do work. . Sound Motion. Growth. Heat. Light. Technology. Forms of Energy.
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Chapter 8: Potential Energy and Conservation of Energy. Reading assignment: Chapter 8.5-8.6 Homework : due Friday, September 30, 2005 Problems: 40, 47, 65, 67, 73, 74 . Potential energy Conservative and non-conservative forces CONSERVATION OF ENERGY. Review Important energy formulas:
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Energy Types and Forms. Write the Pendulum of Potential and Kinetic Energy in your notebook. During energy transfers, forms of energy may also be transformed into other forms of energy.
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Natural Disasters. By: Patrick L. Abbott. Chapter 1. Energy Sources and Disasters. Overview. Energy Sources of Disasters Origin of the Sun and Planets Internal Sources of Energy External Sources of Energy Energy Circulation and Human risk. Energy Sources of Disasters . Energy Gravity
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Poster in CSQCDII. Xiaoyu Lai Peking University. State of matter inside quark stars. Basic motivations. Pulsars could be a special kind of neutron stars -- quark stars , as indicated by some observations. Quark clusters are suggested to form in cold quark matter.
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The Paper Pulverizer. By Zack Hayden, Caleb Anthony, Justin Maney. The Team. The Project. Our project goal was to design a Rube-Goldberg device that would stamp a piece of paper We used parts from around the house, as well as recycled materials and store-bought objects
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Energy Basics. Part 1: The Relationship Between Matter and Energy. Define matter and energy Matter is anything that occupies space and has mass. Energy is the capacity to take action and move matter around. 2. How are energy and matter related? Energy is stored in matter.
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