hw02 - Phys 100 Fall 2011 Concepts of Physics: Homework 2...

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Unformatted text preview: Phys 100 Fall 2011 Concepts of Physics: Homework 2 Due: 7 September 2011 In order to receive full credit, you must show all work, calculations and provide complete reasons and explanations for your solutions. 1 Hobson, Physics: Concepts and Connections, 5ed Ch. 2 Conceptual Exercise 2, page 51. 2 Hobson, Physics: Concepts and Connections, 5ed Ch. 2. Conceptual Exercise 22, page 52. 3 Microscopic description of air pressure Air pressure, such as that which you measure for your car tires is a macroscopic quantity that has an explanation in terms of the microscopic picture of the gas as a collection of atoms. This exercise is intended to enable you to provide the connection between these. To answer these questions you will have to access the animation Gas Properties provided by the PhET group at the University of Colorado. Running this animation requires Java 1.5 or higher. Java is available for free from http://www.java.com/en/index.jsp. The animation is available at the following URLs: http://phet.colorado.edu/simulations/sims.php?sim=Gas Properties http://myhome.coloradomesa.edu/ dacollin/teaching/animations/gasproperties.jar Most of this animation can be controlled using the gray panel on the right. The reset button at the bottom removes all the molecules. A given number of molecules can be supplied by typing the number into the Heavy Species box and hitting enter. In this exercise you willtyping the number into the Heavy Species box and hitting enter....
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hw02 - Phys 100 Fall 2011 Concepts of Physics: Homework 2...

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