PHYSICS 103

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# PHYSICS 103 - PowerPoint PPT Presentation

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

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

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