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341 Cards in this Set
 Front
 Back
T or F
the IS of units provides units of measurements for all purposes 
true


What is the basic unit of length?

m


NAME
its basic unit is m 
length


NAME
m = 
meters


What is the symbol for meters?

m


What is the basic unit for mass?

kg


NAME
its basic unit is kg 
mass


What does kg stand for?

kilogram


What is the symbol for kilogram?

kg


What is the basic unit of time?

s


NAME
its basic untit is s 
time


What is the basic unit of electric current?

A


NAME
its basic unit is A 
electric current


What does A stand for?

ampere


What is the symbol for A?

ampere


What is a mole?

is the amount of a substance


NAME
this refers to the amount of a substance 
mole


What is the symbol for mole?

mol


What does mol stand fro?

mol


What does K stand for?

Kelvin


What is the symbol for K?

kelvin


What is the base unit of thermodynamic temperature?

K


NAME
is base unit is K 
thermodyanmic temperature


What does the symbol cd stand for?

candela


What is the symbol for candela?

cd


What is the base unit of luminous intensity?

cd


NAME
its base unit is cd 
luminous intensity


How do u find speed?

distance/ divided by time


NAME
you find this by distance/time 
speed


what is the base unit of speed?

m/s


NAME
its base unit is m/s 
speed


How do u find density?

mass/vol


NAME
you can find this by mass/vol 
density


What is the base unit for density?

kg/m3


NAME
its base unit is kg/m3 
density


What is G's prefix?

giga


NAME
its prefix is giga 
G


What is the prefix for M?

mega


NAME
its prefix is mega 
M


What is the prefix for k?

kilo


NAME
its prefix is kilo 
k


What is the prefix for m?

milli


NAME
its prefix is milli 
m


What is the prefix for u?

micro


NAME
its prefix is u 
micro


What is the prefix for n?

nano


NAME
its prefix is nano 
n


What value does G have?

10^+9


NAME
this has a value of 10^+9 
G


What value does M have?

10^+6


NAME
this has a value of 10^+6 
M


What value does k?

10^+3


NAME
this has a value of 10^+3 
k


What value does m?

10^3


NAME
this has a value of 10^3 
m


What value does u have?

10^6


NAME
this has a value of 10^6 
u


What value does n have?

10^9


NAME
this has a value of 10^9 
n


1 m = (1)

100 cm


1 (1)= 100 cm

m


NAME
this is the science of matter and interactions 
physics


NAME
are influences that act btwn things 
interactions


Where does the word physics come from?

the greek word physis for nature


NAME
this comes from the greek word physis for nature 
physics


What do physicists want to do?

know how nature works


T or F
physics can be done w out mathmatics 
false


What are (3) steps to doing physics?

(1)seek simplicity (2)do experiments (3)use math


What do interactions involve? (4)

(1)forces (2)feilds (3)energy (4)momentum


What are the (5) great theories?

(1)classical mechanics (2)thermodynamics (3)electromagnistm (4)theory of relativity (5)quantum mehcanics


NAME
these include classical mechanics, thermodynamics, electromangistm, theory of reativity and quanntum mechanics 
the great theories of physics


What is the theory of classical mechanics?

is a theory on motion and gravitation


NAME
this is a theory on motion and gravitation 
theory of classical mechanics


What is the theory of thermodynamics?

is a theory of thermal phenomena


NAME
this is a theory of thermal phenomena 
themodynamics


What is the theory of electromagentism?

is a electromagentic field theory


NAME
this is a electromagenitic field theory 
electromagentism


What is the theory of relativity?

is a theory of feilds in space time


NAME
this is a theory of feilds and spacetime 
theory of relativity


What is the theory of quantum mechanics?

is the theory of fundamental processes


NAME
this is a theory of fundamental processes 
quantum mechanics


NAME
plays a role in astronomy, biology, chemistry, and the earth sciences 
physics


NAME
this provides support for the other natural sciences 
physics


What is kinematics?

is the mathamatical description of motion


NAME
this is the mathmatical description of motion 
kinematics


What is the word dynamics used for ?

to explain why a motion occurs


x(t) can also refer to (1)

the x axis


(1) can also refer to the x axis

x(t)


What does x(t)indicate?

the postion of something moving in time


NAME
this indiactes the postion of something moving in time 
x(t)


What does x refer to ?

the postion of something


NAME
this refers to the postion of something 
x


What does ∆ mean?

a change in something


NAME
this means a change in something 
∆


What is the name of this greek letter ∆?

delta


What is the differ quotient?

∆x/∆t


What is postion?

is a function of time


NAME
this is a function of time 
postion


What is time?

it can not be explained


NAME
this question canot be answered 
what is time


x means the samething as (1)

x(t)


(1) this means the samething as x(t)

x


A (1) occurs btwn 2 times

change in postion


A change in postion occurs btwn (1)

2 times


What is the time interval?

[t1,t2]


What does the greek letter tau mean?

is the greek letter for t'


NAME
this is the greek letter for t' 
tau


What is the duration of a interval?

∆ t


NAME
this represents the ∆ t 
the duration of a intervel


what is ∆ x?

x2x1 or change in postion


NAME
this refers to the change in postion 
∆ x


What does a strobe photo do?

exhbits motion as a succession of displacements


NAME
this exhibits motion as e succession of displacements 
strobe photo


Draw the (2)differ types of motion and label them

see notes


Draw the most common type of motion

see notes


How do u find ∆ x? (2)

(1)x2x1 or (2)[x(t2)x(t1)]


In what type of motion is the velocity a constant?

motion in striaght lin


What type of motion does not always have a consant motion? Draw picture

movement down a incline such as what galio did (see notes for pic)


(1)and (2)are called infintesimals

dt and dx


dt and dx are called (1)

infintesimals


T or F
v is the same thing as speed 
false


are velocity and speed the same thing?

no


NAME
he studied a simple motion w variable velocity 
galileo


What did galileo study ?

a simple motion w variable velocity


V(0) can also mean (1)

v0


(1) can also mean V0

V(0)


What is v stand for?

velocity


What is v?

is the rate of change of postion w respect to time


NAME
this is the rate of change of postion w respect to time 
v


What is v?

is the rate of change of postion w respect to time


What is free fall?

refers to when u throw a ball striaght up in the air


NAME
refers to when u throw a ball striaght up in the air 
free fall


Draw a pic of free fall including labels

see notes


how do u find the accelration?

a= ∆ v/∆ t


how do u find the a?

a=∆ v/∆ t


What does a stand for?

acceleration


going up has a (1)accelration

postive


going down has a (1)acceleration

negative


What is a?

is the rate of change of v w respect to time


NAME
this is the rate of v w respect to time 
a


What does the word accelartion mean in latin?

acceleration
ac= means more celera= latin means "celeritas" or celerity meaning faster 

NAME
part of this word comes from the latin word "celeritas" or celerity meaning faster and ac for more 
aceleration


How do u find energy?

E=mc62


How do u find V(t)?

V(t)=d∆ x/d∆ t or lim ∆ x/∆t
∆ t0 NOTE: the derivative we already be given in the problem but it will not tell u that it is the derivative 

How do u find a?

a=∆ v/∆ t


what is the speed of light?

c= 3 *10^8


Draw a graph showing the differ parts from t1 to t2.
Be sure to label 
see notes


How do u find ∆ tau?

∆t/n


How do u find ∆ v?

<a>∆ t


how do u find ∆ v?

<a>∆ t


what do the symbols <> mean?

the sum of what is it in


Most cars have a (1)acceleration

smooth or constant


you have a (1)accelration when u brake

negative


When driving your care, you have a negative accelration when you (1)

brake


What does each symbol mean for the following formula?
V=Vo +<a>t 
V=veliocity
Vo=inital veliocity <a>=average acceleration t=time 

How do u find velocity?

V= vo +


What does x stand for?

a postion in time


How do u find x?

x=xo+<v>t


What do the following symbols mean?
x=xo+<v>t 
x= postion in time
x0= inital x <v>=average veliocity t=time 

What are (2)MAIN forumlas u can use only when the acceleration is constant?

(1)v=v0+at
(2)x=xo+1/2(vo+v)t 

What dedication can you make about the <v> if there are the same amount of numbers, meaning the accerlation is constant? (2)

that <v> can equal the number in the middle or the midpoint
<v>= vo+v/2 (2) Therefore x=vo + at1+a2t2/2 or x=vo+ 1/2(vo+v) NOTE: the same applies for anything else such as tau 

When can <v>=1/2(vo+v)t or <v>=vo+a1t1+at2/2?

when the are the same number of intervals then the average number is hte middle number or a constant accerlation


When there are equal amounts of numbers being equal distance from each other , meaning hte accerlation is constant then (1)

the average is the midpoint or middle number


if u have two different times and the numbers where equal, how would u find the <v>?

a(t)1=v
<v>= vo+ (v1v0+v2v0)/2 

v=vo+at is similar to the (1) algerbraic theory when graphing

y=b+mx


(1)is similar to the y=b+mx theory when graphing

v=vo+at


What are the (4) formulas that can used if the accerlation is constant? (including the 2 that are dervied from the main 2).

(1)v=vo+at (2)x=xo+1/2(vo+v)t
(3)x=x0+v0+t1/2at^2 (4)V^2=v^20+2a(xxo) 

How formula do you use to find the v if no time is given?

v^2=v^2+2a(xx0)


What forumla to find the <v> can u use w any form of motion?

∆ x/∆ t


T or F
<v>=∆ x/∆ t can be used to find <v> for any type of motion 
true


Can <v>=∆ x/∆ t be used to find <v> for any type of motion?

yes


How would u graph the accerlation?

see notes


How would u graph the accerlation w x?

see notes


When working do not forget to put the (1)

untis and work out the math for the units by mulptying them out as well


If a is zero then (1)

the v is constant


if a is (1) then the v is constnat

0


1/2At^2Vw+d=0 is similar to the (1)algerbaric expression and can be solved using the (2)formula

(1)Ax^2+Bx+C (2)quad


What is the critcal case?

refers to when something min amount a object can reach a certain point in time


What is the discrimint?

B^24AC of the quad formula


NAME
this always has a physical signficance 
discrimint


The (1)can be used to find the critical case

discrimint


the discrimint can be used to find the (1)

critical case


How do u find the critical case?

critcal v= v = B^24AC


If u throw something up in the air, would a be postive or negative? Why?

negative bc u are going against gravity


If a ball is falling from a building, would its a be postive or negative? Why?

postive bc gravity is centered toward the middle of the earth


What is g on earth?

9.8 m/s^2


When throwing a ball vertically or striaght up into the air, when the max height is reached, what is the v?

0


When throwing a ball striaght up into the air or vertically, what when will the v equal zero?

when the ball reaches its max height


What is the slope of a graph?

Δ t/ Δ v


What did Galieo say about free falling objects?

he said any object at free fall w out air resistance near earth's gravity has a constant accerlation


Any object at free fall w out air resistance near earth's gravity has a (1)

constant accerlation


Why do two objects such as a peice of paper (not crumbled up) and a rock dropped do not land on the ground at the same time?

bc of air resistance


What does y1 stand for?

the max hieght of a free falling object


NAME
this represnts the max height of a free falling object 
y1


T or F
A car can only have a constant a 
false


What is scalar quanity?

is ordinary number


NAME
this refers to a ordinary number 
scalar quanity


What is a vector?

is a directed quanty of numbers


NAME
this is a directed quanity of numbers 
vector


What is the main differ btwn a vector and scalar?

a vector has a directional space where as a scalar does not


NAME
the main differ btwn a scalar and this is that it has a directional space and a scalar does not 
vector


What are some examples of scalars? (2)

(1)mass (unassigned numbers) (2)charges (signed numbers


NAME
examples of these include mass (unassigned numbers) and charges (signed numbers) 
scalars


T or F
scalars do not always have to have signs 
true


Do scalars always have to have signs?

no


Does mass have signed or unsigned numbers?

unsigned


Does charges have signed or unsigned numbers?

signed


What are some examples of vectors? (2)

(1)displacement (2)force


NAME
some examples of these are displacement and force 
vectors


What is displacement?

refers to a change in postion


NAME
this refers to a change in postion 
displacement


NAME
this is simplest vector 
displacement


Displacement is the (1)vecotor

simplest


What is force?

refers to a push or pull


NAME
this refers to a push or pull 
force


What notation represents a vector?

→
A or → 

What does the symbol mean?
→ A 
that A is a vector


→
A can indicate the (1) 
mangintude


(1) can indicate the mangintude

→
A or vector 

What does the following symbol stand for?
→ a 
acceleration vector


What does the following symbol stand for?
→ v 
instantious velocity vector


The (1) of a vector is the scalar

mangintude


The magintidue of the vector is the (1)

scalar


Vector lie in (1) and (2) diminesions

1D and 2D


What is a right triangle?

a triangle w a 90 degree


When you have a right traingle, u can use what formula?

a^2+b^2=c^2


What is a line segment triangle? (2)

refers to when 2 vectors are going in the same direction (2)therefore, the → → →
C = A + B 

NAME TRiANGLE
Because this traingle has 2 vectors that are facing the same directions, → → → C = A + B 
a line segment traingle


Can u add two differ types of vectors?

no


T or F
u can add two different types of vectors 
false


How do u find the v of a free falling object?

v=v0+gt


How do u find y for a free falling object?

y= v0 + t 1/2gt^2


T or F
u can have a negative gravity 
false


Can u have a negative gravity?

no


If you are not giving the time of a free falling object, how do u find the v?

v^2=v^22gy


Use Graph A,
→ → (1)what is the A + B? 
See answer key


Use Graph C,
→ → (1)What is the sum of A + B? 
see answer key for graph C


Vectors obey the (1)law

the parrelogram


→
What does S stand for? 
the sum of two vectors


T or F
the order of the sum of the vectors matters 
false


Does the sum of the vectors depend on the order they are in?

no


Vectors that are (1)from each other equal

adjacent or across from each other


Vectors that are ajacent from each are (1)

equal


T or F
adjacent or vectors across from each other have equal displacements 
true


→ →
A  B = (1) 
→ →
A+(B) 

→
What does D stand for? 
the difference btwn two vectors


T or F
can have a negative value for a vector 
false bc vectors are unsigned numbers


Can you have a negative value for a vector?

no


Why can you not have a negative number for a vector?

bc vectors are unsigned numbers


→ →
A+(B) = (1) 
→ →
A  B 

What is this called?
→ → B + (B)=0 
the zero factor


→ →
B + (B)=(1) 
0


→
D=(1) 
→ → → →
AB=A+(B) 

You watching a car speeding up down the road. The car is moving in a curve.
Draw a diagram and explain how you would find the displacement from when you saw the car and when you last saw the car 
see diagram B on the answer key


Using Graph B,
→ (1)how would u find X? 
→ → →
r1 + Δr = r2 

The order of the vectors is important when (1)vectors

subtracting


The (1)of the vectors is important when subtracting the vectors

order


→
D can also equal (1) 
→
D 

→
(1)can also equal D 
→
D 

→
What does P stand for? 
the product of a vector and scalar


→
How do you find the P? 
→ →
P= kC 

→
(1)C can also be written as (1) 
→
C 

→
(1)can also be written as C 
→
(1)C 

What is newton's law of motion?

→ →
F= ma 

Id the what the differ symbols stand for in Newton's law of motion?
→ → F= ma 
→
F= vector of total force on a object m= mass → a= vector of acceleration 

What does vector components?

refers to x coordinates


NAME
this refers to x coordinates 
vector components


Using graph D,
how would you find vector V? 
by adding Vx and Vector Vy


What are unit vectors?

they have a magintude of 1


NAME
these vectors have a mangintude of 1 
unit vectors


What does vector Vx equal?

iVx


What does vectors Vy represent?

jVy


NAME
this represents i(vector Vy) 
Vector Vy


NAME
shi represents i(vector Vx) 
Vector Vx


Graph the following VECTOR
3i+2j 
see graph E


Graph the following VECTOR
3i+2j 
see graph F


Graph the following VECTOR
3i2j 
See graph G


Graph the following VECTOR
3i2j 
see graph H


Using graph I,
what is A, B, and C? 
A=Vx
B=Vy C=V 

If the angle is rotated clockwise the angel is a(1)angle

postive


If a angle is roated (1)than the angle is postive

clockwise


If a angle is rotated (1)than the angle is negatitve

counterclock wise


If an angle is rotated counterclock wise than the angel is (1)

negative


Vector Vx =

i (vector Vx)


How do u find sin, cos, and tan?

SOHCAHTOA


What is sec?

1/cos


What is csc?

1/sin


NAME
1/sin 
csc


NAME
1/cos 
sec


What is cot?

1/tan


NAME
1/tan 
cot


If you are given the V(magnitude) and the angle alpha how would u find Vx and Vy?

Vx= Vcos= +/ cos alpha
Vy= Vsin= +/ sin beta 

What trig funciton can be used to find x or vector Vx?

cos


What trig function can be used for find the vector Vy?

sin


Given S<angle and T<angle, find the sum of the two vectors

S= iSx+jSy+ iTx+jTy
S= i(Sx+Tx)+j(Sy+St) Sx=i(Sx+Tx) Sy=j(Sy+St) 

y going up is (1)

postive


y going down is (1)

negative


y going (1)is negative

down


y going (1)is postive

up


if a object is falling down the g is (1)

postive


if a object is (1)then g is postive

falling down


If a object is thrown up into the air then the the g is (1)

negative


If a object is (1)than the g is negative

thrown up into the air


Given A=90<160 and B=75<300
what is S? 
graph
Ax+Bx=90cos160+75cos300 Sx=47.7 m Sy= Ay+Ab=90sin160+75.5sin300= 34.17 

What are some types of kinematical vectors? (3)

(1)postion vectors (2)velocity vectors (3)aceleration vectors


NAME
these include postion vectors, velocity vectors, and accerlation vectors 
kinematical vectors


A plane convex path is just a (1)

parabala


A (1) is just a parabola

plan convex path


Why can you not break a S up int p indvidual curves?

if u draw a line from the start and finish line the line intersects the middle


What does tangent mean?

it means that a line touches a curve once


NAME
this means the line touches the curve once 
tangent line


NAME
this means that the line touches the line twice 
secant


What does secant to the line mean?

it means that the line touches the other line twice


Given that a person watches a curve go around a curve from until they can no longer see them. Draw a pic showing what they saw and how you find out the displacement the car traveled from the time the person saw them till the time they could not see them any longer

see graph D on the answer sheet


the mangintude is the (1)of a vector

v(t)


the (1)is the v(t) of a vector

magnitude


<vector v> = (1)

Δ vector r/ Δ vector t


Can you drive a car around a car at a constant speed?

yes but slowly


if vector v1 and vector v2 are equal then it is a (1)

isolceles traingle and two of the angles are equal to 90 degrees and bc of this u can conclude that that triangle is perpendicular


If (1) then you conclude that the traignle is a isoslacles traingle and that it has two 90 degree angles and is perpendicular

vector v1= vector v2


Suspose something is moving around in a circle around a object at a constant speed
(1)draw pic of the differ vectors and what it would look like (2)what can you conclude? 
(1)see graph J on the (note card)
(2)that there are right angles in the circle and there is a constant magnitude but the accerleration is different 

When a object goes around a curve, at what point is v constant? draw a pic of ure answer

see graph K,
Answer= vector B 

When a obeject is going around a curve, at what point is v decreasing?

see graph K,
Answer= vector A 

When a object goes around a curve at what point is v increasing?

See graph K,
Answer= vector C 

Using graph K,
For vector A, (1)what is the v doing? (decreasing, remaining constant, or increasing) (2)What is the angle? 
(1)decreasing
(2)obtuse 

Using graph K,
For vector B, (1)what is the v doing? (decreasing, remaining constant, or increasing) (2)What is the angle? 
(1)v is constant
(2)right angle 

Using graph K,
For vector C, (1)what is the v doing? (decreasing, remaining constant, or increasing) (2)What is the angle? 
(1)v is increasing
(2)the angle is a acute angle 

A car goes around a curve, draw a pic of the differ directions the vectors can be in.
(2)label any observations or conclusions that can be made bc the object is going around a curve 
see graph E(answers,


At the perpendicular point of the curve, v is (1)

constant


vector a = (1)

vector a= Δ vector v / Δ vector t


How do you find vector a?

Δ vector v / Δ vector t


How do u find vector v for any motion?

Δ vector x /Δ vector t


With ideal projectile motion, u start time and the postion at (1)

0 or the orgin


How do u find the range of a vector?

R=v^2sin2θ/g


Sin2θ=

2sinθcosθ


(1)=2sinθcosθ

sin2θ


If both balls are falling down on the postion of the y axis then (1)

both balls will hit the ground at the same time


What is the law of inersa?

w/out forces a object would keep on moving in a line w a constant speed


NAME
w/out these, a object would keep on moving in a line w a costant speed 
force


What would happen if there where no forces acting on a moving object?

the object would keep moving in a line w a constant speed


Using graph L (note card,
what would the object thrown look like w out any forces acting on it such as gravity? draw in vector v(t)? 
see graph graph F (answers
