Unit 1 - Preparing for physics RT

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Unit 1 - Preparing for physics RT

Vectors/Scalars

Scalars- numerical quanity having only size and units

Multiplication of a vector by any real number will resultant in a parallel vector with different lengths.

direction stays the same

direction is exactly the opposite

Vectors- numerical quanity having size,units and direction

Tip to tail method- connecting vectors and drawing R

1. create table to add together the Xs and Ys 2. use Pythagorean to find magnitude 3. use Tan-1 to find direction

direction= θ = tan-1 (y/x)

magnitude= v|=√a2+b2

1. use Sin and Cos to find components 2. given components steps

X value= Ax=A cos θ

Y value= Ay=A sin θ

Put vector tails together and complete the triangle, pointing the vector that comes first in the subtraction.

Frames Of Reference

Geometry

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Trigonometry

Tan= opp/adj

Sin= opp/hyp

Cos= adj/hyp

Pythagorean Theorem= c2= a2+b2

Properties of a function

Minimum

Maximum

(Y-axis)

Variation

Increasing, decreasing or constant.

sign

Above or below the x axis/ y axis

Y-Intercept

(Initial values)

X-Intercept

(Zero's)

Rangeeeee (theres many e's because it keeps translating in french)

(Y-Axis)

Domains

(X-Axis)

Graphs

Graphs are known to be a science based on a collection of data, making it easier to analyze data from the graph.

Line of best fits

Line of best fits is a type of data that is meant to be alligned to a higher degree of correlation. It can either be a curved line or a straight line depending on it's situation.

Broken line Graph

A broken line graph represents a data that progresses unevenly through an event.

Conversions/Units

Units

SI Units: System of Unit of measure

Length(m),Mass(kg),Time(s)

Used to compare two or more quantities

Metric System

King Henry Died Unexpectedly Drinking Chocolate Milk ( used to remember the order)

Goes up by 10s(10^2, 10^3)

Angles

Geometry of angles

Quadrilateral add up to 360

Triangles add up to 180

vertically opposite angles

Corresponding angles

Alternate exterior angles

Alternate interior angles