Welcome to PHY 100 Take 1 of these … Take 2 of these … Objectives Learn some neat physics … EXAM #1 Chapters 2,3,4 Describing and explaining motion EXAM #2 Chapter 5 The Law of Universal Gravitation Chapters 6,7 Conservation of Energy and Momentum EXAM #3 Chapters 11, 12 Structure and States of Matter Chapter 13 Thermal Energy EXAM #4 Chapter 15 Vibrations and Waves Chapter 20 Electricity Chapter 23, 24 The Early and Modern Atom General education goals … Ability to communicate effectively Ability to employ quantitative concepts and mathematical methods Ability to think critically and analytically Course Design Read assigned material / Answer reading questions Come to lecture and participate! Do assigned problems If confused seek help!!! Grade Calculation Grade Calculation Method #1 54% - Three Highest Exams (18% each) 16% - Final Exam 15% - Problem Sets 15% - Reading Quizzes Fool’s Gold Method #2 75% - Four Exams (25% each) 25% - Final Exam Note: Three reading quiz grades, one problem-set grade, and one exam grade will be dropped. Course Information Instructor Information: Dr. Kevin Aptowicz 128 Merion Science Center phone: 610.436.3010 kaptowicz@wcupa.edu Important Dates: Exam #1 – September 26th, 2007 Exam #2 – October 14th, 2007 Exam #3 – November 7th, 2007 Exam #4 – December 9th, 2007 Office Hours: M/Tu/W/F 11 am – 12 pm Tu 1 pm – 2 pm Text: Kirkpatrick, L. and G. Francis. 2010. Physics: A World View (Seventh Edition). Belmont, CA: Brooks Cole. Webpage: Google ‘Aptowicz’ All this information is in the syllabus. 1 2 3 Welcome to PHY 100 4 5 6 Results of a google image search for ‘physics’. Reading Questions The subject matter in this course is a) psychology. b) physics. c) philosophy. d) Indo-Tibetan Buddhism e) physiology. First ‘pop’ reading quiz is Friday! Experimental results can never prove an idea; they can only disprove it. a) True b) False Which of the following is not a valid criterion for the acceptance of a physical law or theory? a) agreement with past data b) based on scientific principles c) ability to predict future results d) prestige of the scientist proposing it Where do physical laws come from? E = mc2 This large boulder was found in Marshall County, northeastern Kansas. It was carried by an ice sheet from northern Minnesota or Canada. It is a type of volcanic rock. Where do physical laws come from? The force that causes an apple to drop is the same force as keeps the moon in orbit: gravity. CQ 1.1 What is the issue with the following physical law: Little elves, a billion times smaller than an atom, use a glue called aptostick to keep atoms together. A. Does not account for known data. B. It does not make predictions that are testable. C. It does not have a scientific basis. D. This ‘physical law’ has multiple issues. CQ 1.2 Which of the following is not a valid criterion for the acceptance of a physical law or theory? A. B. C. D. agreement with past data based on scientific principles ability to predict future results prestige of the scientist proposing it Reading Questions Angstrom, Astronomical Unit, Barleycorn, Cubit, Fathom, Fermi, Foot, Furlong, Hand, Inch, League, Light-Year, Meter, Micron, Mil, Mile, Nautical Mile, Pace, Palm, Parsec, Pica, Point, Rod, Stadium, Thumbnail, and a Yard are a) units of length. b) units of force. c) units of shear rate. d) All of the above. In the metric system, prefixes are multiples of: a) two. b) five. c) ten. d) two hundred and seventy three. Using the powers-of-ten-notation, 103 is equal to a) 3 x 10 = 30. b) 10 + 3 =13. c) 3 x 100 = 300. d) 10 x 10 x 10 = 1,000. CQ 2.1 The diameter of a typical atom is approximately 0.000 000 000 1 meter. This can also we written as? A) 1 x 10-9 meter B) 1 x 10-10 meter C) 1 x 10-11 meter D) 1 x 10-12 meter E) 1 x 10-13 meter F) 1 x 109 meter CQ 2.2 What is the result of the following calculation … , , . A) 1 B) 100 C) 1,000 D) 1,000,000 E) 1,000,000,000 F) 1,000,000,000,000,000 How fast is Cole Hamels 95 mph fast ball in units of meters/seconds? CQ 2.3 Which of the following expressions gives the number of seconds in one week? A) 7 days 24h 3600s 1 week 1 day 1 h B) 7 days 1 day 1h 1 week 24 h 3600 s C) 1 week 24 h 3600 s 7 days 1 day 1 h D) 1 week 1 day 1h 7 days 24 h 3600 s