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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

PHYSICS 103

LECTURE 1: 8/26/2003


Physics 103 lecture 1
PHYSICS 103: Lecture 1

Agenda for Today:

  • Review of syllabus

  • Overview of course material

  • Basic math review

  • Units and unit conversions


Advice
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


Math expectations
Math Expectations

  • Algebra

Solving for an unknown

The quadratic formula

  • Basic Geometry and trigonometry

Triangles

Trigonometric functions



The Quadratic Equation

a, b, and c are constants (numbers)

Solution:


c

b

90°

a

Triangles

  • Sum of all angles in a triangle is 180°

  • Pythagorean theorem

For any right triangle:


c

b

90°

a

Trigonometric Functions


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)


Useful Conversion Factors

  • 1 inch = 2.54 cm

  • 1 m = 3.28 ft

  • 1 mile = 5280 ft

  • 1 mile = 1.61 km


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?


HW Assignment:

  • Review Syllabus

  • Read Chapter 1


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