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CHAPTER 1 INTRODUCTION,MEASUREMENT,ESTIMATING - Coggle Diagram
CHAPTER 1 INTRODUCTION,MEASUREMENT,ESTIMATING
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1-2 MODELS, THEORIES & LAWS
THEORY:
- detailed & can give testible predictions.
MODELS :
- use during process of understanding phenomena.
PRINCIPLE : - same with law, but aplly to a narrower range of phenomenan.
LAW :
- brief discription.
-how nature behaves in a broad set of circumstances.
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1-4 UNITS, STANDARDS & SI SYSTEM
QUANTITY :
(1) LENGTH -meter -m
(2) TIME -second -s
(3) MASS -kilogram -kg
(4) ELECTRIC CURRENT -ampere -A
(5) TEMPERATURE -kelvin -K
(6) AMMOUNT OF SUBSTANCE -mole -mol
(7) LUMINOUS INTENSITY -candela -cd
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