thermo4up - Physics 153 2006 Welcome to Physics 153 Physics...

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Unformatted text preview: Physics 153 2006 Welcome to Physics 153 Physics 153 2006 This is Section 003 TTh 2-3:30 pm. Instructor: Kristin Schleich Email: [email protected] OfFce: Hennings 340 OfFce hours are MW¡ 1:30-2:30 pm. Course web page: http://noether.physics.ubc.ca/Physics153/ Physics 153 2006 My research is on general relativity, in both 4 and higher dimensions as in string theory and quantum gravity. Java simulation of orbits around a black hole available at http://noether.physics.ubc.ca/Sims/ Physics 153 2006 Course web page http://noether.physics.ubc.ca/Physics153 / Course Syllabus: on course web page Required Textbook: Young and ¡reedman, University Physics 11th ed. Physics 153 2006 Register for Mastering Physics today! - link on course web page. Homework assignments (both written and Mastering Physics) posted on Thursdays First written assignment due Friday, Sept. 15, 2006 Notes for this section will be posted on course web page Tutorials start week of Sept. 11-16 Physics 153 2006 What do the wooden boxes look like? Physics 153 2006 How to Survive Physics 153 Focus on the key goal of the course problem solving using multiple concepts of physics Utilize all resources to attain this goal lectures book tutorials and of¡ce hours Remember, practice is perfect! homework Mastering physics problems book problems and old exam problems Physics 153 2006 Week 1: Concepts of thermodynamics • zeroth law of thermodynamics • temperature scales Physics 153 2006 Temperature Two systems are in thermal equilibrium if and only if they have the same temperature. Two systems in thermal contact that are at the same temperature do not transfer energy between each other -two systems at different temperatures do. Physics 153 2006 A B C 2) A B C 1) A B C 3) Thermal Contact Which systems are in thermal contact? None A and B, not C A and C, B and C Physics 153 2006 Thermal contact: systems can transfer energy between each other Thermal equilibrium: when the energy transfer stops Real insulators - slow energy transfer but do not prevent it. Ideal insulator: - prevents energy transfer. Is the vacuum of outer space an ideal insulator? Physics 153 2006 Credit: SOHO -EIT Consortium, ESA ,NASA Physics 153 2006 And recall, two objects are defned to have the same temperature iF they are in thermal equilibrium with each other. Temperature characterizes thermal equilibrium. How do we measure it? Now the zeroth law oF thermodynamics: IF two objects are in thermal equilibrium with a third, then they are in thermal equilibrium with each other. Physics 153 2006 Thermodynamics Thermometric property: A physical property that changes with “temperature”. Examples 1) Expansion oF a ¡uid. 2) Electrical - e.g. change in resistivity....
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thermo4up - Physics 153 2006 Welcome to Physics 153 Physics...

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