# PHYSICS 103 - PowerPoint PPT Presentation

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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

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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

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

• Algebra

Solving for an unknown

• Basic Geometry and trigonometry

Triangles

Trigonometric functions

Solving for an Unknown

Solve for x:

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