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1

Instantaneous velocity

average velocity over infinitesimally small time interval

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2

Tangent line

straight line connecting a pair of infinitely close points on a curve

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3

Time derivative

rate of value a function changes over time

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4

acceleration

vector that is a derivative of velocity (m/s²)

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5

constant accelerated motion

motion w/ constant acceleration

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6

Instantaneous acceleration

average acceleration over infinitesimally small interval

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7

Equations of motion

equations that describe an object’s displacement and velocity when acceleration is constant

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8

v = v_{i} + at

Equation of motion (velocity)

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9

C, B, D, F, G, A, E

Unscramble these terms in order of their derivatives:

A: crackle

B: velocity

C: position

D: acceleration

E: pop

F: jerk

G: snap

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10

a = delta v/ delta t

acceleration equation

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11

v= at + v_{i}

velocity vs. time slope intercept formula

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12

negative velocity

if one were to take the tangent of a point on the *descending* part of the curve on this *position vs. time* graph, what would be the velocity

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13

0 velocity

if one were to take the tangent of a point on the *peak* part of the curve on this *position vs. time* graph, what would be the velocity

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14

positive velocity

if one were to take the tangent of a point on the *acsending* part of the curve on this *position vs. time* graph, what would be the velocity?

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15

negative acceleration

if one were to take the tangent of a point on the *descending* part of the curve on this *velocity vs. time* graph, what would be the acceleration?

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16

0 acceleration

if one were to take the tangent of a point on the *peak* part of the curve on this *velocity vs. time* graph, what would be the acceleration?

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17

acceleration is positve

if one were to take the tangent of a point on the *acsending* part of the curve on this *velocity vs. time* graph, what would be the acceleration?

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18

acceleration

the slope for a *velocity vs.time* graph is

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19

object faced down

if one were to take the tangent of a point on the *descending* part of the curve on this *acceleration vs. time* graph, what would be the jerk?

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20

no jerk

if one were to take the tangent of a point on the *peak* part of the curve on this *acceleration vs. time* graph, what would be the jerk?

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21

Object faced up

if one were to take the tangent of a point on the *ascending* part of the curve on this *acceleration vs. time* graph, what would be the jerk?

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22

position

a measurement of where an object is at a particular time in respect to a reference point

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23

Displacement

object’s change of position

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24

Distance traveled

total length of path between two positions

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25

change in d = d_{f} - d_{i}

displacement equation

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26

scalar quantity

quantity with now direction but magnitude/size

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vector quantity

quantity having both magnitude and direction

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28

d = (x)x^ + (y)y^

components

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29

IdI = sqrt((x)²+(y)²)

displacement

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30

Resultant

vector that is a sum of two or more vectors

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31

motion diagram

displays object’s position at equal increments in time

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Dot diagram

motion diagram where object is represented by a dot

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uniform motion

straight line motion when change interval is equal

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34

nonuniform motion

position dose not change the same amount

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35

position graph

position as a function of time

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36

velocity

a measure of amount of change in position at specified time

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speed

measurement of distance traveled in amount of time

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38

v = delta d/delta t

velocity slope equation

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39

d = vt +d_{i}

slope intercept form for position vs. time graph

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40

displacement

area under velocity vs. time graph

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41

negative

If an object is returning to it’s original position, the velocity will be ____

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42

equal, opposite

If two non-zero vectors are added together, and the resultant vector is zero, what must be true of the two vectors?

they have ___ magnitude and ___ direction

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43

integral

the area under a curve under a graph

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44

delta d= v_{i}t+1/2at^{2}

equation of motion for displacement

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45

free fall

the falling motion of an object without resistance under the influence of Earth’s gravity

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46

acceleration due to gravity

the constant acceleration towards the center of Earth experienced by a body in free fall near Earth’s surface

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47

delta y= v_{i}t+1/2gt^{2}

equations of motion for free fall (product is displacement in the y-direction)

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48

v=v_{i}+gt

Equations of motion free fall (product is velocity)

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49

v=(x)x^+(y)y^

velocity in components

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50

sqrt((x)²+(y)²)

velocity’s magnitude

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51

independent

horizontal and vertical components are _________ of each other

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52

x, y

when adding two velocities, it is like displacement. Add_______ to x and ______ to y to make components for resultant vector

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53

Pythagorean theorem

when you add two resultant vectors, what equation will you use?

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54

projectile

object moving through air that is only affected by gravity

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55

projectile motion

combo of uniform motion parallel to earth’s surface and free-fall motion perpendicular to earth’s surface

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56

separating

projectile motion is analyzed by ______ the two-dimensions into separate dimensions

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57

uniform, does not

horizontal motion is _______ and velocity __________ change

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58

free-fall, increases

vertical motion is ___________ and __________ if going down

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59

t

accelerated motion that is a parabola will have a _____ x-axis

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60

x

trajectory graph will have a _____ on the x axis

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61

y(x)=ax²+bx+c

parabola problem

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trajectory graph

2 dimensional dot plot that displays total trajectory

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63

delta x= v_{x}t

horizontal equation of motion

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64

v_{y}=v_{iy}+gt

Velocity equation of motion with answer as vertical velocity component

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65

delta y = v_{iy}t + ½gt²

Velocity equation of motion with vertical displacement component as the answer

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66

x

trajectory is a quadratic function of __

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67

t

Change in y position is a quadratic function of __

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68

delta x, v_{x}, t

X motion variables

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69

delta y, g, t, v_{y}, v_{iy}

y motion variables

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70

v_{iy}=0

If an object is launched horizontally off a table, then _____

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71

0

If launched upwards, and object’s y velocity at maximum ______

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72

constant

v_{x} is ______

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73

v_{y}

v_{iy} and v_{y} are the same absolute value, but ___ is negative

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74

uniform circular motion

The motion observed when an object travels in a circular path at constant speed

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75

constant, changes

in uniform circular motion, the magnitude of velocity is _____, and velocity _______

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76

Centripetal vector

A vector quantity that is always directed towards the center of the circle

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77

centripetal acceleration

acceleration of an object in uniform circular motion

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78

a_{c} = v²/R

centripetal acceleration equation

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79

oscillatory motion

any motion in which an object repeats the same pattern of motion while repeatedly returning to the same position

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80

x=Rcos((v/R)t)

oscillatory motion x equation

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81

The area is greater under car 2’s graph

Car 2 has a larger displacement. How would you find this out?

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82

y= Rsin((v/R)t)

oscillary motion y equation

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83

It would take longer because no outside velocity besides free fall is affecting them and deceleration is directly related to the speed.

If a student throws up a ball with twice it’s initial speed, how would the air time change?

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84

the point, after

When a problem asks for the instantaneous value from a graph, you should take the _____ and the point _____ it

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85

There is gravitational acceleration to speed it up

Why do objects fall faster on earth than in a vaccuum?

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86

Split it into a triangle and rectangle and add the two values together

if you’re looking for the displacement under a graph and you encounter a irregular shape, you should ____

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87

ΣF=ma

Newton’s seconds law of motion (force)

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88

Newton’s first law of motion

a law that states that an object remains at rest or continue with uniform motion in a straight line unless some action causes a change in motion

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89

ΣF= delta p/ delta t

Newton’s Seconds Law of motion with momentum

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90

p= mv

Momentum equation

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91

Inertia

object’s resistance to change

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92

Mass

measure of object’s inertia (measured in the SI unit of kg)

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93

Force

The cause of a change in motion or change in shape resulting from the unopposed interaction between two objects

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net force

vector sum of all net forces

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95

momentum

product of mass and velocity of an object; represents object’s total quantity of motion

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96

Newton’s third law of motion

interaction between two objects can be represented as forces having equal magnitude and opposite directions

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97

Third Law pair

the two related action-related forces described by newton’s third law

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Contact Force

an interaction between objects due to direct contact with each other

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99

noncontact force (field force)

interaction between two objects that are separated by some distance

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gravitational force (gravity)

the noncontact attractive interaction between tow objects having mass

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