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Chapter 19

 Physics - Greek- Knowledge of nature.

· Describing fundamental nature of physical universe.

· Matter and energy relationship.

· As small as atom or as large as universe.

· Results can be described by a small numbers of relationships or laws.

· Laws always have some mathematical equation.

· Math is the language of physics.

 

Measurements
Mega x10^6
Kilo x10^3
Hecto x10^2
Deca x10

Base
Deci X10^-1
Centi X10^-2
Mili X10^-3
Micro X10^-6
Nano X10^-9
Pico X10^-12

 

Good Graphing Techniques

Independent Variable - X

Dependent Variable - Y

Range of data

Space

Plot Points

(0,0) Valid point?

Title

 

Graphing Relations

1. Linier: Direct relation between X and Y

i. y= mx + b

2. Quadratic:

i. y= kx2

3. Inverse Relationship

i. y= k/x