Name: Date: - Unit 3 Matrices, Sequences, and Series · Unit 1 Day1 Intro to vectors Vector is a...
Transcript of Name: Date: - Unit 3 Matrices, Sequences, and Series · Unit 1 Day1 Intro to vectors Vector is a...
Name: ________________________________________
Vector Voyage Worksheet 1
Date: ____________________
Africa
North
America Europe
United States
Canada
Spain
England
Portugal
Cuba Atlantic Ocean
Vector Voyage Instructions
Part 1: Your ship can sail 10 squares/month. Starting from Spain and travelling west (or bearing 270), draw one vector for each month of travel using your red pencil. In what country will you make landfall? ___________ How many months will it take to reach land (how many 10-square vectors is it)?___________
Part 2: Unfortunately, the wind does not always blow the way you want! To determine how the wind effects our travel, let's include the wind vector. First, draw your ship vector, just like in part 1, using your red pencil. Now at the end of that vector, add the wind vector using your blue pencil. Now draw the resulting vector (just adding the two vectors) with your blue pencil. That's where you are when the first month ends. Now do the same for the next month and the month after that until you reach land. Remember that the wind changes, so each month you will have to add a different wind vector. The list of different winds for each month is on the following line.
Month 1: 2 squares south Month 2: 4 diagonal squares southeast Month 3: 2 squares west Month 4: No windWhere will you make landfall now? ___________ How many months to reach land (only count the solid 10-square vectors!)?___________
Start!
N
S
EWSE
NENW
SW
Navigation: Lesson 2, Vector Voyage Activity - Worksheet 1
a t h3 am mnthtF
month 4 month 33M
USA34 Maryland2 Maine
Florida 4month
Name: ________________________________________________
Vector Voyage Worksheet 2
Date: ___________________
Africa
North
America Europe
United States
Canada
Spain
England
Portugal
Cuba Atlantic Ocean
Vector Voyage #2 Instructions
Part 3: Unfortunately, ocean currents affect boats too! Each month, you must also add a current correction vector to find your actual final position. So just like in Part 2, for each month, draw your ship vector (in red), and your wind vector (in blue) and now add on your ocean vector (in green). Now using your green pencil, draw the resulting vector from all of these (add the red and the blue and green vectors). Do this for each month until you hit land. Remember the wind and the ocean vector's will be different for each month. They are listed below.
Wind Vectors: Month 1: 2 squares south Month 2: 4 diagonal squares southeast Month 3: 2 squares west Month 4: No wind
Ocean Vectors: Month 1: 2 squares south Month 2: 4 squares west Month 3: 3 diagonal squares southwest
Where will you make landfall now? ___________ How many months to reach land (only count the solid 10-square vectors)?___________
Start!
N
S
EWSE
NENW
SW
Navigation: Lesson 2, Vector Voyage Activity - Worksheet 2
Cuba 3month
Unit 1 Day 1Intro to vectors
Vector is a directed line segment that representsquantities such as force velocity and accelerations
VectorPoint Head
Ca b tyrmenia b
einitialTail
The length of a vector is called magnitude1J or 11811
Avector V
Examren 11811 TEKV Vz43,27 ME
ATE
Standardposition is if the initial Point is at theorginStandard Position is written in component form
Sketch I amJ L 4 67 µ
Example
Find the component form and magnitude for POT
F C3,4 and Q L 5,2p n PI Head minus tail Uwkhenth.in
L 5 3,2 4 v Vz U U UzQ.t ca.IT two pointsiiiµ VIE th Vi Uz k and youneed
to find the vectoqfg nf.rs2ra in comp form
v
Find the component form and magnitude to PJ
When P C2,6 and Q C 5 2
PIE 3 4 115041 5
Find the component form and magnitudefor PI
when D 3,4 and Q 5 2
POT L 8 6 7
11POTH 10
Equivalentictors have the same lengthand direction
show that the arrow from R C 4,2 to S C l 6
is equivalentto the arrow from F 2 1 to Q 5,3
1112511 5Rg L 3 4
POT L 3 4 3 11POT11 5 Equivalent
VectoroperationsLet it L Up Uz T L V Vz K is a scalar
real number
Itv U g Uz t L V Vz LU V g Uz Vz
I T U g Uz LV Vz LU V g Uz Uz
Scalar Multiplication KT KL U sUz L KU g kUz
Negative vectors I tu L U s uz
Exampleslet it L I 3 and 8 24,7
Find the component form of the following vectors
a Lie L 2,6 b I J L l 4 3 7
2L 1,3 L 5 4
C 2It3v d 3Itti
L 2,6 t 412,213,9 L 4 7
10,27L 7,2
OtrantoLO O this is the Zero Vector It has no direction
If 11811 1 then it is called the unitvectormagnitude
Any non zero vector can be written as a unit vector
Te I E
HTH
EXanpFind the unit vector in the direction of 8 2 3,2
HfH N3 unit vector TEE 2NENE isnt
L 3T 2F
Standard unit vectors are linear combinations usingthe vectors I Ll o and J LO I
Ait bj La b J L a b
ALI O t b LO I
La O t Lo b
aft b5Example
giventhe linear combination 2i 3J u
and the linear combination 4it6j J
find Itv
a L 2 3 8 4 4,6
Component form linear Combination
22,370 2it3jI
let D C 1,5 and Q 3,2 write POT as
a linear combination of e tj
POT L 4 37 lin combo 45 35
FindingusingDirectionAnglesIf it is given a direction angle 0 the components
of J can be computed using the formula
J L Hill Coso 11011 Sino
Exampies
Find the component form of J11811 14 0 550
7
414 cos 55 145in 55
L8.03ll.ITFind the magnitude and direction angle
given 8 4 2 57osi
HJ N29 DirectionAngle68.21 180 tan0 25
248.20 E tan E0 68.2