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PHYSICS 103

PHYSICS 103. LECTURE 1: 8/26/2003. PHYSICS 103: Lecture 1. Agenda for Today:. Review of syllabus Overview of course material Basic math review Units and unit conversions. Advice. How to do well in this class:. Attend the lectures and ask questions Read the book before coming to class

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PHYSICS 103

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  1. PHYSICS 103 LECTURE 1: 8/26/2003

  2. PHYSICS 103: Lecture 1 Agenda for Today: • Review of syllabus • Overview of course material • Basic math review • Units and unit conversions

  3. Advice How to do well in this class: • Attend the lectures and ask questions • Read the book before coming to class • Study the material after each class • Complete sample exercises, questions, and problems in chapters. • Do the assigned homework • Take the self-tests in class I give before each exam • Don’t cram • Work in groups • Come to office hours or get a tutor if you are having trouble

  4. Math Expectations • Algebra Solving for an unknown The quadratic formula • Basic Geometry and trigonometry Triangles Trigonometric functions

  5. Solving for an Unknown Solve for x:

  6. The Quadratic Equation a, b, and c are constants (numbers) Solution:

  7. c b 90° a Triangles • Sum of all angles in a triangle is 180° • Pythagorean theorem For any right triangle:

  8. c b 90°  a Trigonometric Functions

  9. Units and Unit Conversions SI Units • Length will be measured in meters (m) • Mass will be measured in kilograms (kg) • Time will be measured in seconds (s)

  10. Useful Conversion Factors • 1 inch = 2.54 cm • 1 m = 3.28 ft • 1 mile = 5280 ft • 1 mile = 1.61 km

  11. Practice Unit Conversions: • How many seconds is an average lifetime? How many days? • How many seconds are you asleep? How many days? • If you go 60 miles hour, how many feet per second? How many meters per second?

  12. HW Assignment: • Review Syllabus • Read Chapter 1

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