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Problem solving
- [I SEE]
- I = Identify
- S= Set up
- E = Execute
- E = Evaluate
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Target Variable
The quantity whose value you're trying to find.
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Identify
Find out what is relivant, find target variable.
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Set Up
The problem: figure out what tools to use (ie:equations), how to use them possably draw a sketch.
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Execute
The solution: "do the math". List equations and variables, then solve the variables.
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Evaluate
Your answer: does your answer make sence?
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Model
A simplified version of a physical system that would be too complicated to analyze in full detail.
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Physical Quantity
Any number that is used to describe a physical phenomenon quantitatively.
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Operational definition
Defined by how we use them.
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1 Kilometer
= 1Km = 103 meters = 103 m
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1 Sec
Is the amount of time required for 9,192,631,770 cycles of this microwave radiation.
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Meter
The distance that light traveles in a vacume in 1 / 299,792,458 secound.
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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
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Accuracy
How close it is likely to be to the true value.
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