# Physics 4A, College of the Desert, Chapter 1.txt

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1. Problem solving
• [I SEE]
• I = Identify
• S= Set up
• E = Execute
• E = Evaluate
2. Target Variable
The quantity whose value you're trying to find.
3. Identify
Find out what is relivant, find target variable.
4. Set Up
The problem: figure out what tools to use (ie:equations), how to use them possably draw a sketch.
5. Execute
The solution: "do the math". List equations and variables, then solve the variables.
6. Evaluate
7. Model
A simplified version of a physical system that would be too complicated to analyze in full detail.
8. Physical Quantity
Any number that is used to describe a physical phenomenon quantitatively.
9. Operational definition
Defined by how we use them.
10. 1 Kilometer
= 1Km = 103 meters = 103 m
11. 1 Sec
Is the amount of time required for 9,192,631,770 cycles of this microwave radiation.
12. Meter
The distance that light traveles in a vacume in 1 / 299,792,458 secound.
13. Nano
10-9
14. Micro
10-6
15. Milli
10-3
16. Centi
10-2
17. Kilo
103
18. Powers of 10
• Yocto = 10-24 y
• Zepto = 10-21 z
• Atto = 10-18 a
• Femto = 10-15 f
• Pico. = 10-12 p
• Nano. = 10-9 n
• Micro = 10-6 u
• Milli. = 10-3 m
• Centi. = 10-2 c

• Kilo. = 103 k
• Mega = 106 M
• Giga. = 109 G
• Tera. = 1012 T
• Peta. = 1015 P
• Exa. = 1018 E
• Zetta. = 1021 Z
• Yotta. = 1024 Y
19. Accuracy
How close it is likely to be to the true value.
 Author: Mattyj1388 ID: 33632 Card Set: Physics 4A, College of the Desert, Chapter 1.txt Updated: 2011-06-16 18:19:36 Tags: Physics4A Chapter1 Folders: Description: general info Show Answers: