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Vector Operations
Page 3
Questions (294)
Find a and b such that v = au+be, where u=(1,2) and w=(1,-1), v=(4,5)
1 answer
asked by
Anonymous
56 views
Can someone explain why (π β’ π) Γ π exist if a, b, and c are vectors?
4 answers
asked by
Nathan Seth
91 views
I'm confused by this. Could someone explain?
Given two vectors, a = (a1, a2, a3) and b = (b1, b2, b3) describe how you would
1 answer
asked by
Jasmine
120 views
Suppose that ππββββ = (a,β6, c) and ππβββ = (3, b,β9), where πΆπ·ββββββ=
1 answer
asked by
Abrahams
106 views
for the vectors m= (square root 3,-2,-3) and n=(2,square root 3, -1), determine the following:
a. the angle between these two
1 answer
asked by
Anonymous
207 views
Two vectors π’β and π£ are acting from the point P. If |π’β | = 8, |π£ | = 10 and |π’β + π£ | = 14 then
3 answers
asked by
Anonymous
254 views
Please explain in words how would you do this, no solution needed -
Vectors |A|=4, |B|=9, and the angle between A and B is 60Β°.
1 answer
asked by
Emma
179 views
Please explain in words how would you do this, no solution needed -
The vectors a and b have lengths 5 and 3, respectively. The
1 answer
asked by
Emma
238 views
Let V = R3(R) and let v1=[ -1 0 2]^T , v2 = [0 2 -3]^T and v3=[2 2 3]^T.
Suppose that v4 is another vector which is orthogonal to
3 answers
asked by
Ashley
244 views
Va = (-2;1;1), Vb = (1;5;0), Vc = (4;4;-2), PRvc = (3a - 2b) - ?
1 answer
asked by
Matthew
164 views
Let a= (1,2) and b=(-2,0). Find 2a+3b.
1 answer
asked by
g
352 views
Given u = [2,5] and v = [6,4], determing u (down arrow) v
4 answers
asked by
test
318 views
Given a = [-2,7], b = [1,1], and c = [-2,-1], determine a*(b+c)
3 answers
asked by
Soccerkid
219 views
How do I test these two vectors to see are they parallel?
a=(8,5,-6), b=(7,-1,5)
3 answers
asked by
Anonymous
290 views
1) The position vectors of A and B are OA= -i+2j+k and OB = i+bj+k respectively.
a) Find ,in terms of b, the unit vector in the
2 answers
asked by
Rachel
620 views
if the cross product of AandB is 8i-14j+k and the difference of A and B is 5i+3j+2k,then find the value of A AND B.
1 answer
asked by
heven
1,045 views
If β£Vector xβ£=8, β£Vector yβ£=13 and β£Vector x + Vector yβ£=15, determine
β£Vector x - Vector yβ£. You may want to
1 answer
asked by
anon
390 views
Using a specific example, prove the vector property: For vectors uβ and vβ and scalar p > 1, show p(uβ +vβ )=puβ
3 answers
asked by
Anon
484 views
Find the magnitude of v.
v = -10i + 3j v =
2 answers
asked by
Rich
615 views
For the W = <12, -20>, determine |W| (magnitude) and the angle between W and the x-axis of the following:
1. V β U 2. U + 3V 3.
3 answers
asked by
Anonymous
360 views
A <-9, 7>
B< -7,12> Find AB in component from and the magnitude? (2,5) component so so sqrt29 magnitude of the vector?Is this
3 answers
asked by
Anonymous
381 views
Find the sum of vectors A=5m<60degree and B=6m<130degree
1 answer
asked by
offiong christiana
388 views
Use the vector form of the Law of Cosines to show that |u + v|^2 β€ (|u| + |v|)^2 holds for
any vectors u and v. What does this
3 answers
asked by
anonymous
1,469 views
Let a = i - j + 2k and b = i + 2j - 4k
a) Find 2a - 3b This one was easy. It should be -i - 8j + 16k b) Hence find a value of m
1 answer
asked by
C
348 views
Please Help!!!
Given: A= 10km S30degreesW and B= 15km S40degreesW Find the resulting vector (magnitude and direction) of the
7 answers
asked by
Alex
483 views
Can you please check these answers.
In exercises 10-13 , find (a)2v+u, (b)u-3v), and (c)5u-v. 10.u=<0,-4>, v=<-2,-8> a) 2v+u =
2 answers
asked by
Alice
552 views
find (a)2v+u, (b)u-3v), and (c)5u-v
u=<-2,-3> v=<-1,-10>
1 answer
asked by
Anonymous
337 views
Can you explain how to find (u β’ v)(u + v) when u <-1, 7> and v <4, -3>
1 answer
asked by
Anonymous
336 views
Given: u <-1, 7> and v <4, -3> Find: (u β’ v)(u + v)
________________________________________ <25, 100> <-25, 100> <-75, -100>
1 answer
asked by
Anonymous
417 views
Use the following vectors to answer the question.
u: <-1,7> v: <6,4> What is ||u||2?
1 answer
asked by
Anonymous
364 views
Given: u <-1, 7> and v <4, -3> Find: (u β’ v)(u + v)
1 answer
asked by
Iris
284 views
The Vector v has a length of 15 and points at an angle of 30 degrees. The Vector u has a length of 17 and points at an angle of
3 answers
asked by
Robert
921 views
The vector u = 94300, 5200) gives the number of units of two models of laptops produced by a company. The vector v = (1800,
1 answer
asked by
jessica
398 views
A person walks in the following pattern: 4.8 km north, then 1.3 km west, and finally 1.5 km south. Construct the vector diagram
4 answers
asked by
PLZ HELPPPP
717 views
if given that |a|=|b|=|a-b| find the angle between the vectors
1 answer
asked by
maths-lover
244 views
The vector u has length 15 and points at an angle of 25 degrees
The vector v has length 20 and points at an angle of 55 degrees
2 answers
asked by
Giovanni
589 views
a, b, c are 3 vectors such that |a|=2|b|=4|c| (|a|=modulus of a vector) and 2a-3b+6c=0 (a is a vector) then find cos(x) between
1 answer
asked by
Edward
376 views
Given the vectors a= (-1,9) and b= (4,2) explain the difference between a-b and b-a. Thank you for your help! :)
1 answer
asked by
Rachel
339 views
Given A=2i+3j and B=4i-j
Compute for the following a. |a|+|b| b. 5A-6B c. |5A-6B| d. |5A|-|6B|
1 answer
asked by
Sean
279 views
The resultant of vectors
Aβ and Bβ has a magnitude of 20 units. Aβ has a magnitude of 8 units, and the angle between Aβ
2 answers
asked by
Sammmy
549 views
Let u have a length of 20 and direction of 60 degrees, and v= 5i-3j
what is u? what is abs(2v-u)?
1 answer
asked by
jk
381 views
For any two vectors u and v show that :
( Vector u.vector v )^2 = [(vector uΓ vector v)Γvector v ].vector u = u^2v^2
1 answer
asked by
gourav
363 views
For any two vectors u^ and v^ show that:
(u^.v)^2-[(u^Γv^)].u^= u^2v^2
1 answer
asked by
gourav
373 views
Given that a = 5i +2j - k and b = I - 3j + k. Find (a + b) x (a + b).
4 answers
asked by
hart
365 views
Verify (Vector a + Vector b) Γ (Vector a + Vector b) = 0β . What can be said about two vectors whose cross product is the
1 answer
asked by
Adiana
615 views
Use a specific example to prove that the cross product is also not associative. That is, use three specific vectors in 3-sapce
1 answer
asked by
Adiana
650 views
Find two unit vectors each of which is perpendicular to vectors (1, 1, 0) and (1,0,1)
What I did: a x b = (1, -1, -1)
1 answer
asked by
annonymous
496 views
Given vector a=(2,1,0)and vector b=(-1,0,3) and vector c=(4,-1,1), calculate the following triple scalar and triple vector
1 answer
asked by
Annon
442 views
Given a and b unit vectors
if |a+b|=square root 3, determine (2a-5b)dot(b+3a) First I foiled the whole thing: =2(a dot b)+ 6 (a
1 answer
asked by
MathHelp
1,279 views
If a = 3i + 2j and b=-2i+j calculate
|a+b| a and b are vectors and i and j have the arrow pointy thing above it instead of the
1 answer
asked by
Help-me-Please
441 views
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Algebra
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