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Physics 102, Physics for Scientists and Engineers II

Fall 2021

- Course Description -

Topics and Outlook:

        In this course we will be introducing the basic ideas of thermodynamics and electricity and magnetism. These are very large and very interesting subjects, covering many aspects of physics. In fact, by the time you finish this course, coupled with what you learned in physics 101, you will have an introductory understanding of almost all of classical physics! (The motion of waves and classical properties of light will be covered in Physics 103.) We begin by investigating the properties of heat. We will discuss the familiar ideal gas law before turing to more sophisticated and fundamental ideas involving the microscopic origin of thermody-namics, known as statistical mechanics. We then turn to electricity and magnetism, which covers far more than simply Coulomb’s law. As we will see, with the three exceptions of gravity, the force responsible for radioactive decay, and that holding the nucleus together, electromagnetism is responsible for everything else in physics! In this course, we will begin with the simple laws of electrostatics, discussing the electric field. We will introduce the concept of electric potential which, far from being a simple mathematical convenience, rep-resents a deeper understanding of the the origins of the electric field. Next, we will discuss the basic circuit elements and learn how to analyze circuit diagrams. From there we will discuss magnetism. As we investigate magnetic phenomena we will see that while a static charge produces only an electric field, moving that charge around creates a magnetic field! A changing electric field produces a magnetic field, while a changing magnetic field produces an electric field. It is clear, then, that electricity and magnetism are not independent, but rather simply different aspects of the same thing - the electromagnetic field! Everything we have discussed can be condensed into four equations, known as the Maxwell Equations, which we will then write down. Things are even more interesting when we realize that light is wiggles and oscillations in the electromagnetic field. Thus, in four very simple equations, Maxwell was able to unify electricity, magnetism, and even light! It will be the topic of this course to tell this story in some detail.

Attendance:

        Attendance is essential to your success in physics! Because physics builds upon itself, missing one lecture can affect your understanding of all that follow. If you do not complete the assignments for more than 9 consecutive hours during the first two weeks, then you may be dropped from the course – only for in class meetings! Not online!

Grading:

        The grading will be based on the fi-nal (25%), quizzes (40% total), discus-sion worksheets/homeworks (5% to-tal), one writing assignment (15%), and the lab sessions (15% total).

Quizzes

        There will be online quizzes, each due by the end of the day on Fridays. The quizzes will consist of multiple-choice/fill-in-the-blanks type questions and will often involve some calculations.

Homeworks

        There will be discussion worksheets/homework each due by midnight on Sundays. You’re welcome to work on these together with students from the class, but each student must submit their own work!

Writing Assignment

        Fifteen percent of your grade will be based on a 5 page group paper (not counting your name, title of the paper or bibliography, and must be size 12 font, one inch margins, etc., typed in LATEX- several templates will be provided) on a physics topic of your choice related to the material studied in this class. The paper must be written in your own words, and can be based on a journal article, seminar, etc. The paper will be due on Monday, November 15.

Final:

        The final exam is scheduled for Wednesday, December 15, and will be compre-hensive.

Discussion/Lab Sessions

        Part of the course includes a discussion/laboratory (DL) session. These DL meetings contribute 15% to your grade, and are mandatory! Because the course is online, labs will be conducted differently and will be more along the lines of projects, rather than lab assignments. Other lab assignments will be conducted through the free simulation lab software. The lab assignments will be discussed as we come to them.

Learning Objectives for Physics 102

Upon completion of Physics 102, you should understand:

● That heat is a form of energy.

● The microscopic origin of the ideal gas law.

● The statistical basis for entropy.

● That electric fields are produced by electric charges.

● That magnetic fields are produced by electric currents.

● The concepts of capacitance, resistance, and inductance in conductors and ultimately in electrical circuits.

● That electric and magnetic fields are not distinct phenomena, but are simply different aspects of a single electromagnetic field.

● That light is oscillations in the electromagnetic field.

Learning Outcomes for Physics 102

Upon completion of Physics 102, you should be able to:

● Analyze and solve problems related to a variety of physical systems and situations.

● Calculate various thermodynamical properties of a system, including internal energy, pressure, and temperature.

● Use the basic ideas of statistical mechanics to determine the equipartition theorem.

● Determine the average energy from the Boltzmann distribution.

● Use Gauss’s Law to calculate the electric field from a static charge distribution.

● Use Ampere’s Law to calculate the magnetic field from a steady current distribution.

● Evaluate DC and AC circuits.

● Calculate induced electric fields from a changing magnetic field.

● Calculate induced magnetic fields from a changing electric field.

● Write down Maxwell’s equations in both integral and differential form.

Important! Drop Date Information

        The deadline to drop without a “W” is Sunday, September 12th for Fall 2021. If you must drop a course, drop before the specified deadline for dropping a class without a grade of “W.” Dropping after this date will result in a “W” on your transcript. Effective July 1, 2012 students will only have 3 attempts to pass a class. If a student gets a “W” or grade of “D”, “F”, “I”, or “NP” in a class, that will count as an attempt. A student’s past record of course attempts district wide will also be considered. Therefore, before the end of Week 2 you should carefully consider if you can reasonably manage this course with the other factors in your life (e.g. work, family, course load). If you think you will not be able to complete this course with a C or better, drop by Sunday, September 12th. If you have any questions, please don’t hesitate to talk to me.

Finding your Path

        Find your path to fulfilling careers and/or transfer opportunities. The career and transfer programs at ELAC are organized into 8 Career and Academic Pathways (CAPs), according to areas of interest. Explore pathways within an interest area to see what program is best for you. Each degree/certificate program has an Academic Map, a tool for you to plan your pathway with a Counselor. The Academic Map also has information about scheduling, pre-requisites, career and transfer options, and recommendations from the department. Meet with a Counselor at each step in your academic journey to find your path, stay on your path and complete your goals at ELAC.

To explore the CAPS and Academic Maps, visit the ELAC website: http://elac.edu/Explore/Career-and-Academic-Pathways

To meet with a Counselor, make an appointment with Academic Counseling: http://www.elac.edu/Student-Services/Academic-Counseling

To meet with a Career and Job Services Counselor, make an appointment with Career and Job Services: https://www.elac.edu/Student-Services/Career-and-Job-Services/Our-Services