BOBO5Td666666.6H5D0 "" 5-Zx HHHV,(hh hd'0F Sl ]/1rd>8CB6.U(6(6.}jmj*m*ionsdD( St*P1H   545*DSET/v$ 8i6=5=2 Fp2Fl,< & 1 U       b c k b c | v w         & ' 7   A b     F W h        !w !x " "  % ' 0 8 ; F I e j q t                   c j               c  {    " H               D           0 a       ' 6         A              !x ! " " 566 i5 C5FrE26E!uC!v(EPHYsics 1150, Principles of Physics I Fall 1995 Rooms 113 (lab) and 208 (lecture) 1150001, 0900 M W F, room 213; 08000950 R, room 113 1150002, 1000 M W F, room 213; 10001150 R, room 113 Dr Doug Davis, Room 126A, 581-6346 Office Hours: 1100 M WRF PHYsics 1150 is the first semester of a twosemester course in introductory Physics; PHY 1160C is part of the Integrated Core (that is, completion of PHY 1150 and 1160 fulfills the laboratory and physical science requirement of the Integrated Core). In the past Physics was known as "Natural Philosophy". I like the implication of that name; Physics is understanding the natural world around us. Physics involves understanding, not memorizing. This course (and PHY 1160C) assumes a good working knowledge of and ability with algebra. Anyone desiring a more rigorous course which uses some calculus may enjoy PHYsics 1350, 1360C, 1370. Physics includes everything. We will start with a study of Mechanics, the part of Physics that describes and explains Motion. Position, velocity, acceleration, force, momentum, and energy will be important. What happens if you drop a feather and a hammer on the moon? What keeps a roller coaster going? Does an understanding of Physics really improve your game of billiards? We will also study an extension of Mechanics, Wave Motion and Sound. What is sound? Why does a C note on a saxophone sound different than the same C note on a piano? In PHY 1160 we will start with Electricity and Magnetism. What is different between the electricity that powers a flashlight and the electricity in high voltage transmission lines? How does an electric motor work? We will continue that course by looking at Light and Optics. Why do some of us wear glasses? What happens when you focus a camera? How does a magnifying glass work? We will finish the course with a brief overview of Modern Physics. What happens when objects move really fastwith speeds close to that of light? What does the nature of the energy of an atom have to do with the rosey light given off by sodium vapor lights or the bluish light of mercury vapor lights? T E X T You should already have a copy of a new textbook, College Physics. Please read the material before it is discussed in class. Saving a textbook as a last resort before an exam or before looking at homework problems makes the course more difficult than it needs to be. Make life easy for yourself; read the textbook. Take a few class notes over this familiar material. Work all the assigned problemsand a few more! Then relax, for the exams will be easy; there should be no surprises on the exams. L A B O R A T O R I E S Physics labs are quite different from, say, chiemistry labs. While care must be taken in making measurements, finding the value of an unknown to a tenth of a percent is not the main reason for doing a Physics lab. The labs are designed to go along with the lecture and the textbook and to demonstrate principles discussed there. Understanding is the key idea. Think of why you are doing various steps in the lab. Never just blindly follow the procedure. Understand why you are doing this or what it will tell you. Most labs will take measurements using the computers in our Microcomputer-Based Laboratory (MBL) in room 113. I hope you find that exciting. Many of our lab experiments will be directly linked or interfaced with the computer. Of course we hope this helps with understanding and learning. I am especially interested in your opinions, difficulties, and general comments about the lab. Each week you will turn in a lab report typed on the computer. You must obtain your own 3.5 floppy disk to store things on; items stored on the computers internal hard disk may be deleted or modified before you return the next week. Floppy disks are available from the University Bookstore, Radio Shack, Wal-Mart, and, perhaps, the Physics students in Room 130. Each lab report should include the following: Title Purpose: Why are you doing this lab? What do you expect to show, use, or demonstrate? Procedure: What equipment did you use? What did you do? Illustrations may be appropriate here. Two or three sentences will usually be sufficient. Data: Probably a data table and a graph. Data Analysis: If there is a straight line on a graph, find its slope! What did you expect the slope to be? How close was it? That is, find the per cent difference between your measured value and your expected value. Conclusion: What does it all mean? What ideas did you show, use, or demonstrate? Unacceptable conclusions include this lab helped my understanding, we got very good results, this lab worked out very well. What did the lab mean? There should be some strong connection between your Purpose and your Conclusion. Only a single lab report from the lab team (of two lab partners) is required. Lab reports are due at the end of the lab period. I will return them to you promptly and may ask you to RESUBMIT them. Resubmissions are due the following class/lab period. Be sure to keep a copy of your lab report on your disk. You may use Macs elsewhere on campus to complete your resubmission if you like. Lab reports are graded as satisfactory or unsatisfactory/resubmit. Lab reports will not be accepted late. If you are run over by a Mack truck and are in the Emergency Room during the scheduled lab period, please have the ER physician give me a call immediately. If the equipment has not been put away, the lab can be made up the following day under such dire and unusual circumstance. Ordinarily, however, labs may not be made up later. H O M E W O R K Homework is vital in Physics!!!! I can not stress that too much. Physics is like SCUBA divingit requires participation and practice and learning from your own errors. You may be able to understand the Civil War by listening to lectures. But you can not successfully learn to SCUBA dive only by listening to lecturesyou have to get wet! Physics, too, requires that you get wet, that you get your hands messy in the mire of homework problems and laboratory work. There simply is no other way to learn Physics. Most of the exams will not be strikingly different from the homework. Diligence with the homework will make the exams easy but ignoring the homework will make the exams impossible! Struggling with and learning from doing the homework is vital! You must do the homeworkjust to survive. Solutions will be posted on the Old Science Building server and available over the campus computer network. At present, you must access these homework solutions from a Mac that is directly connected to the network. Do not look at the solutions until after you have worked the problems yourself. Homework will not be turned in and graded; this requires great maturity and responsibility on your part. G R A D E S Your grade for this course will be determined by the following: Hour exams- 4 @ 100 pts 400 pts Laboratory (normalized to 100 pts) 100 Final exam 200 Total 700 pts In my opinion, there are two very objective methods of grading. One can determine grades strictly by a predetermined number (e. g., 100 - 91, A 90 - 81, B 80 - 71, C 70 - 61, D etc.) One can also determine grades strictly on a curve (e. g., 15% will get A's; 20%, B's; 30%, C's; 20%, D's; and 15%, F's). The first method requires that the instructor be able to write perfect exams. The second requires a perfect distribution of students. I have never found either condition met. Therefore, my grading system is some mixture of the two. You may consider the above grading scale a sort of guaranteed minimum. An 82 will be a B. But a 79or even a 78may also be a B. That is, I will not raise grade requirements but I do reserve the right to lower them. ADDITIONAL RESOURCES THE MECHANICAL UNIVERSE (TMU) video tapes are available in the Self-Study Materials Center (SSMC) in the northwest corner of the library. I expect to show several TMU tapes in class. Other pressures of the course may reduce this. These are excellent tapes made a few years ago at CalTech and include short historical sketches, wonderful computer animations, and scenes that may be difficult or impossible to duplicate in the classroom. They were made for a PBS audience but they also include extensive references to calculus. Dont leut the references to integrals or derivatives frighten you; watch and listen for the ideas and the demonstrations.( ADDITIONAL MACINTOSH COMPUTERS are still somewhat rare on campus. The Instructional Materials Center (IMC) in Buzzard (first floor, north wing) has Macs. Several Macs are available in the Student Services Building (first floor, near the northwest corner). Booth Library has some Macs available. COPYING someone elses ideas or creative talents is called plagiarism. Presidential candidates have had careers ruined because of plagiarism. Pulitzer prizes have been taken back because of plagiarism. Students have been expelled because of plagiarism. Unauthorized copying of computer programs is also called theft. We have licenses for all the software you will encounter in this course. University policy is that you should not illegally copy computer software. 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