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Vector Operations
Page 2
Questions (295)
Suppose A=3i-2j+k, B=-i-4j+3k&C is a vector lying along x-axis with the property that A.(B+C)=0. Then find vector C
4 answers
asked by
lydia abenet
666 views
Find the angle between the vectors. (First find an exact expression and then approximate to the nearest degree.) a = <5, 4> , b
3 answers
asked by
Sydney
3,593 views
|u| = 3, |v| = 2, and the angle between u and v (when placed tail to tail) is 45 degrees. Find |2u| + |3v|
4 answers
asked by
helpppp
257 views
Given ||v|| = 5 theta=30 degrees, write the vector v.
4 answers
asked by
Sade
3,277 views
Verify using an example that Vector a + (Vector b • Vector c) is not equal to (Vector a + Vector b) • (Vector a +Vector c).
4 answers
asked by
Adiana
1,770 views
if A=i+j, B=2i-3j+k and C=4j-3k
find (i) (AxB)xC & Ax(BxC)
4 answers
asked by
Peaklife
1,481 views
if the cross product of vector A and vector B is 8i-14j+k and the difference of vector A and vector B is 5i+3j+2k,then find the
4 answers
asked by
heven
1,722 views
if a and b are unit vectors, and magnitude of vectors a +b = sq. root of 3, determine (2a-5b) dot (b+3a).
4 answers
asked by
Melissa
1,184 views
Given the vector p=i+2j-2k and q=2i-j+2k. Find two vectors m and n satisfyin all the followin conditions:m is pendicular to p ,
3 answers
asked by
Gideon
974 views
If D=5i+6j-3k and E =7i +8j +4k
Calculate,DxE Find the angle between D and E Show the DxEis perpendicular to both D and E
4 answers
asked by
Mengot
459 views
Find the terminal point given the vector <3, -2> and an initial point of (-6,10).
2 answers
asked by
Anonymous
1,118 views
For any vector Vector a find Vector a × Vector a. Explain your result.
1 answer
asked by
Zaynab
408 views
Three vectors A,B,and C are related to one another such that
5A + 6B = 60C. A fourth vector D exists such that 30C + D = A.
3 answers
asked by
joy
814 views
What is the length of the vector [5 cos è, 5 sinè]? If the vector [5,0] is rotated 36 degrees in the counter clockwise
3 answers
asked by
sally
1,513 views
if A= i+j, B= 2i-3j+k and C= 4j-3k
find: Ax(BxC) pls help with solution.
3 answers
asked by
Mathwise
1,091 views
Suppose vector A=3i_2j+k ; vector B=-i-4j+3k and vector C is lyingbalong x-axis with the property that A.(B+C)=0,then calculate
3 answers
asked by
Fitsum
298 views
Use a specific example to explore how the cross product behaves under scalar multiplication. Is it true that k (Vector a ×
3 answers
asked by
Bobby
1,411 views
For three vectors u, v and w show that:
(u×v).[(v×w)×(w×u)]= [u.(v×w)]^2 .
3 answers
asked by
gourav bhardwaj
850 views
The vector u = (4300, 5200) gives the number of units of two models of laptops produced by a company. The vector v = 1800, 1200
3 answers
asked by
will
1,855 views
Use a specific example to prove that the cross product is also not associative. That is, use three specific vectors in 3-space
3 answers
asked by
Adiana
2,684 views
find the indicated vector.
let u = (-9,1), v=(-5,9). Find 3u+v
3 answers
asked by
tony
1,420 views
Given the vectors:
u = [3, 0] v = [-1, 2] a) Express the vector w = [2, 8] as a linear combination of vectors u and v. How do I
3 answers
asked by
Anonymous
948 views
If a is a unit vector Ibl = 5 and la + b1 = square root17. determine (-4a - 3b) • (b + 7a)
2 answers
asked by
jeremy
182 views
determine. the magnitude. of thr resultant V=v1+v2
1 answer
asked by
mik
355 views
U=5i+11j and V=2i-3j, find 2U-7U
6 answers
asked by
ky
335 views
In two successive chess moves, a player first moves his queen four squares forward, then moves the queen five steps to the left
1 answer
asked by
Kelly
448 views
evaluate the magnitude of (𝟐𝒖 + 𝒗)
×(3𝒖 − 𝟓𝒗), knowing that A is defined as 𝐴 = |𝒖 × 𝒗|. (Hint:
3 answers
asked by
j
101 views
A vector a has magnitude of 8units and makes an angle of 45'0 with the positive x-axis vector b also has the same magnitude of
1 answer
asked by
Tafese
490 views
What is the magnitude of a vector with components (15 m, 8 m)? This how I solve square root (15^2 +8^2)=18.8. Is that right?
3 answers
asked by
up
676 views
A man walks 400 m in the direction 45 degrees north of east. Represent this vector graphically by selecting a scale and drawing
4 answers
asked by
melly
3,366 views
1. A vector is defined as having magnitude of 15 m and a direction of East. Multiply this vector by the scalar value of –6.
4 answers
asked by
Amber
841 views
If 'a' and 'b' are unit vectors that make an angle of 60 degrees with each other, calculate
l 3a - 5b l and l 8a + 3b l *the 'a'
4 answers
asked by
Alex
1,813 views
Find the angle between the vectors A=6i+8j+10k
B=6i+8j-10k
4 answers
asked by
ABC
1,452 views
Find the component form of v and sketch the specified vector operations geometrically, where u = 4i − j, and w = i + 5j.
v =
3 answers
asked by
Jose
2,190 views
1)let w=[3;4] and u=[1;2]
a) find the projection p of u onto w. I found this to be p=[1.32;1.76] b) find a scalar k for which the
4 answers
asked by
samantha
462 views
Verify using a specific example that (Vector a + Vector b) × (Vector a – Vector b) = 2(Vector b×Vector a). Expand to the
3 answers
asked by
Adiana
845 views
The position vectors for points P and Q are 4 I + 3 j + 6 j + 6 k respectively. Express vector PQ in terms of unit vectors I, j
2 answers
asked by
kudu
731 views
1. Initial point: (0, 0); Terminal point: (3, -4)
A Lesson 13 B Lesson 13 C Lesson 13 D Lesson 13 E Lesson 13 F Lesson 13 2.
2 answers
asked by
Cam
1,482 views
In problems 1 and 2, the initial point and the terminal point of a vector are given. Write the vector in component form.
1.
2 answers
asked by
Cam
1,480 views
Consider two vectors A = 4i - 4j and B = -i - 8j .
(a) Calculate A + B. (b) Calculate A - B. (c) Calculate absolute value(A + B).
3 answers
asked by
caitlin
421 views
(a) Given that A= 3i - j + 2k and
B=2i + 3j - k find A x B (b) if A= i + j, B= 2i - 3j + k and C= 4j - 3k find (i) (AxB)x C (ii)
3 answers
asked by
Wellness
797 views
Vector A has a magnitude of 8.00 units and makes an angle of 45.0° with the positive x-axis. Vector B also has a magnitude of
9 answers
asked by
jackie
2,684 views
Express the vector as a combination of the standard unit vectors i and j.
v = AB where A = (10,-11) and B = (-11,8) I want to
2 answers
asked by
Momo
924 views
Given a point x in n-dimensional space and a hyperplane described by θ and θ0, find the signed distance between the hyperplane
2 answers
asked by
Yun Lee
43 views
For the vectors u=(2,-3) and w=(-1,2), calculate |-3u| - |2w|.
4 answers
asked by
Devon
489 views
Vector A⃗ points in the negative x direction and has a magnitude of 22 units. The vector B⃗ points in the positive y
4 answers
asked by
sintia
4,204 views
1) Let A = (1,2), B = (-3,4) , then A+B=(-2,6), A-B = (4,-2), -3A=(-3,-6)
2) Let X = (1, 0, π, 4), Y = (2, 4,-2π,-6), then 2X+Y
2 answers
asked anonymously
12 views
If the vectors u and v determine an angle of 60° and |u|=5, u • v = 15, then the value of 2v • (3u - v) equals:
1 answer
asked by
Anonymous
74 views
A vector A of R^3 has modulus 2 and forms with vectors i and j angles of 60° and 120° respectively. Determine vector A
2 answers
asked by
Anonymous
65 views
Given vectors A, B and C such that A+B+C=0; ∣∣A∣∣ = 3, ∣∣B∣∣ = 1 and ∣∣C∣∣ = 4. calculate A dot B + B
1 answer
asked by
Anonymous
86 views
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