Friday
April 29, 2016

# Search: Maths - Vectors

Number of results: 9,310

Maths-Vectors Help!
Please can you help me as I have just been introduced to your Help Forum: Determine whether the vectors u, v and w given below are linearly independent or dependent where u, v and w are non-colliner vectors such that u=2a-3b+c , v=3a-5b+2c and w=4a-5b+c. thanks. Use exactly ...
April 16, 2007 by Charles

math
given that vectors(p+2q) and (5p-4q) are orthogonal,if vectors p and q are the unit vectors,find the dot product of vectors p and q?
January 2, 2013 by bhawani

Triangle ABC with D, E and F the midpoints of BC, AC, and AB. G is the midpoint of AD such that the ratio AG:GD =2:1, VECtors AB =p and BC =q Prove that B, G and E are collinear. prove the same results for point C, G and G
February 12, 2012 by Jat

Triangle ABC with D, E and F the midpoints of BC, AC, and AB. G is the midpoint of AD such that the ratio AG:GD =2:1, VECtors AB =p and BC =q Prove that B, G and E are collinear. prove the same results for point C, G and F
February 12, 2012 by Jat

math
given that vectors(p+2q) and (5p-4q) are orthogonal,if vectors p and q are the unit vectors,find the product of vectors p and q?
January 1, 2013 by bhawani

physics
Can you help me with this one also? I know how to do it with 3 vectors but I can't seem to draw it with 4 vectors. The magnitudes of the four displacement vectors shown in the drawing are A=16.0 m, B=11.0 m, C=12.0 m, and D=26.0 m. Determine the (1) magnitude and (2) ...
January 23, 2011 by Brittany

maths
Given that vector c and vector d are non zero vectors such that vector c =x1i + y1j + z1k and vector d =(y1z2-y2z1)+(x1y2 -x2y1)show that the two vectors are perpendicular.
February 18, 2012 by victor m

Physics
2 vectors have same magnitude.The magnitude of the resultant vector of these 2 vectors are same as either of both vectors.What is the angle between 2 vectors?
November 21, 2014 by Tangy

Math - Algebraic Vectors
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 do this?
February 13, 2008 by Anonymous

math
two vectors are defined as a=2i+xj and b=i-4j. find value of x if a) the vectors are parallel b) the vectors are perpendicular
November 21, 2010 by karla

math
two vectors are defined as a=2i+xj and b=i-4j. find value of x if a) the vectors are parallel b) the vectors are perpendicular
November 21, 2010 by karla

PreCalculus
Given vectors u=7i + 3j and v = -4i + 3j, find 5u-4v in terms of unit vectors. I am just beginning the study of vectors and have this problem. Could someone help? Thanks.
January 29, 2009 by Joanie

math
if vectors a+b+c=0 and modulus of the vectors a, b and c are 3 ,5 and 7 respectively. find the angle between the vectors a and b.
January 5, 2013 by raja

maths
1) Suppose that an insect crawls in a plane in a path given in polar coordinates by r = be^kt; theta = kt; where b; k are positive constants and t is time.Find the velocity and acceleration vectors of the insect. Show that the angle between the velocity and acceleration ...
February 20, 2013 by Jess

Calculus
Name two sets of vectors that could be used to span a set in R^3. Show how the vectors (-1,2,0) and (3,4,0) could each be written as a linear combination of the vectors you have chosen.
April 28, 2010 by Jackiee

Science
2 vectors have same magnitude.The magnitude of the resultant vectors is same as either of both vectors.What is the angle between 2 vectors?
November 21, 2014 by Tangy

Calculus and Vectors
THE VECTORS a - 5b AND a-b ARE PERPENDICULAR. IF a AND b ARE UNIT VECTORS, THEN DETERMINE a dot b
May 11, 2013 by Johnny

maths
Let a, b, c and d be vectors. (i) Show that (a - b) * (a + b) = a^2 - b^2
February 6, 2013 by Jess

Calulas and VECTORS
THE VECTORS a - 5b AND a-b ARE PERPENDICULAR. IF a AND b ARE UNIT VECTORS, THEN DETERMINE a * b
May 19, 2010 by z...........................

Calculus and vectors
Please, help I don't understand vectors T.T 1. In the prism, assume all dimensions have different lengths, state the following: a) state 3 equal vectors to DC⃗ b) state 4 opposite vectors to BC⃗ ------------------------------------- Here is the prism below, imgur ...
March 18, 2012 by Melissa

vectors
Determine whether each statement is true or false. Provide a brief justification. a. Two lines with parallel direction vectors willnot intersect. b. Two linesthat are perpendicularin R3 willhave perpendicular direction vectors. c. Two linesthat havenon-paralleldirection ...
June 9, 2010 by Alicia

Maths - Vectors
The position vectors a,b,c of the points A,B,C relative to the origin O are ai, bj and ck respectively.Find: 1) a vector equation for the line l throught O which is normal to the plane ABC. 2) a vector equation of the plane ABC The answers should be: 1) r=t(bc i +ac j +ab k) ...
February 2, 2009 by Claire

Physics Vectors
two vectors A and B have magnitude such that A>B. We do not know the directions of the vectors. however we can say that the magnitude of the sum A+B must be between? a) B and 2A b)A and A+B c) A-B and A+B d) A-B and A e) B and A+B
September 27, 2012 by cody

physical science
The resultant vector of two particular displacement vectors dose not equal the sum of the magnitudes of the individual vectors. Describe the directions of the two vectors.
May 2, 2011 by Becky

Calculus and vectors
A parallelogram is formed by R^3 by the vectors PA=(3,2,-3) and PB=(4,1,5). The point P=(0,2,3). a) what are the location of the vertices? b) what are the vectors representing the diagonals? c) what are the length of the diagonals?
March 23, 2012 by Melinda

prove that normal to plane containing 3 points whose position vectors are a vector,b vector,c vectorlies in direction addition of cross product of vectors b and c and cross product of vectors c and a and cross product of vectors a and b
September 22, 2009 by parth

maths
1.IF Vector OA =2i + 3j – k, vectorOB = i – 2j + 3k determine the value of vectorS ,OA X OB
February 18, 2012 by chrystabelle

Vectors
THE VECTORS a - 5b AND a-b ARE PERPENDICULAR. IF a AND b ARE UNIT VECTORS, THEN DETERMINE a * b
May 11, 2013 by Johnny

vectors
ok theres a graph. its like this. basically theres a ray coming from the origin going up and left diagonally at about a 30 degree angle. the question says "for the following vectors draw the component vectors along the x and y axis". what do i do?!
August 5, 2009 by jawn

physics-vectors
If the magnitude of the sum of two vectors is greater than the magnitude of either vector, then: If the magnitude of the sum of two vectors is less than the magnitude of either vector, then: a. the scaler product of the vectors must be negative b. the scaler product of the ...
August 6, 2007 by mekeke

maths
prove that if a is not equal to zero and if a * b = a * c and a ^ b = a ^ c then b = c [Hint: calculate a * (b-c) and a ^ (b-c) vectors mechanics
February 6, 2013 by jenny

Science
Two equal vectors are working at a point.The resultant is equal to one of those vectors.Prove that the resultant bisects the angle between the vectors.
March 14, 2016 by Julekha

Maths-Vectors Assistance PLZZ!
Prove that the vectors u=3i+j-2k , v= -i+3j=4k, and w=4i-2j-6k can form the sides of a triangle They will form a triangle if they are linearly dependent, that is, if (3,1,-2)= m(-1,3,4) + n(4,-2,-6) from which we get 3 equations in two unknowns. -m + 4n = 3 #1 3m - 2n = 1 #2 ...
April 16, 2007 by Babanla

vectors
If two vectors u and v fit the equation (u − v) • (u − v) = u•u+v•v, how must these vectors u and v be related? What familiar theorem does this equation represent?
April 12, 2010 by sally

linear algebra
which of the following sets of vectors span R^3? a.){(1, -1, 2), (0, 1, 1)} b.) {1, 2, -1), (6, ,3, 0), (4, -1, 2), (2, -5, 4)} c.) {(2, 2, 3), (-1, -2, 1), (0, 1, 0)} d.) {(1, 0, 0), (0, 1, 0), (0, 0, 1), (1, 1, 1)} can someone show the steps to check for one of them and i ...
July 19, 2007 by chris

physics
Given the vectors = (19 cm, -7 cm) in green and = (-23 cm, 9 cm) in blue shown on the grid below, calculate the magnitude of the vectors described below and select the correct sketch for each from the choices below. The tail-to-head method is used to represent the operations ...
October 15, 2013 by butcha

Maths
There are 3 vectors: p= 7i + 10j q= 3i + 12j r= -i +4j Could you show me how to find the angle PQR. using the scalar product.
March 14, 2011 by Anique

Math vectors
For which of the following conditions will the cross product of two vectors be zero? a) If the angle between them is 90°. b) If the angle between them is 0°. c) If the angle between them is 45°. d) If the vectors have the same magnitude.
February 26, 2015 by Sheliza

Maths
Iam stuck with this question including negative sign. Please I need help. Determine the magnitude and direction of this vectors (a) -8i + 6j (b) -5i - 12j
May 27, 2013 by Shamine

Maths
Iam stuck with this question including negative sign. Please I need help. Determine the magnitude and direction of this vectors (a) -8i + 6j (b) -5i - 12j
May 27, 2013 by Shamine

college Algebra/Linear Algebra
Find a Basis for each of these substances of R^4 (a) All vectors whose components are equal (b) All vectors whose component add to zero (c) All vectors that are perpendicular to (1,1,0,0) and (1,0,11) (d) The column space (In R^2) and nullspace(In R^5) of U=[1 0 1 0 1] [0 1 0 ...
November 3, 2010 by traxx

perpendicular vectors
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) |axb|=square toot 3 correct answer is +/- (1/√3 - 1/√3 - 1/√3) or =+/- 1/√3 (1, -1, -1)
February 11, 2015 by annonymous

math
Two vectors have magnitudes of 3 units and 8 units respectively. The resultant of these two vectors has a magnitude of 8 units. What is the angle between these two vectors?
March 1, 2013 by dave

if a and b are unit vectors, and magnitude of vectors a +b = sq. root of 3, determine (2a-5b) dot (b+3a).
May 8, 2014 by Melissa

physics
The vectors sum of two vectors of magnitude 10units and 15units can never be
July 4, 2014 by raghavendra

Math
if vectors a+2b and 5a-4b are perpendicular to each other and a and b are unit vectors. Find the angle between a and b.
February 21, 2016 by Rabin

Math
Prove that vectors u, v and w are coplanar if and only if vectors u, v and w are linearly dependent.
April 18, 2008 by Tess

Vectors
If vector a and b are unit vectors, and |a+b|= root3, determine (2a-5b) dot product(b+3a)
May 19, 2010 by Shawn

Calculus/Vectors
Calculate the area of the parallelogram with sides consisting of the vectors: a = (1,2,-2) b = (-1,3,0)
May 17, 2011 by Anonymous

Vectors/Calc
Calculate the area of the parallelogram with sides consisting of the vectors: a = (1,2,-2) b = (-1,3,0)
May 17, 2011 by Anonymous

Calculus and vectors
Do the vectors (2,0,1),(-2,0,0) and (2,3,0) lie on the same plane? Explain your reasoning.
March 26, 2012 by Melinda

Physics
Find the vector cross product of two vectors C=2i-j and D=i+2j-3k. What is the angle between the vectors
March 8, 2016 by Charles

Vectors
Vectors a and b have magnitudes 2 and 3, respectively. If one of them is 50degrees, find the vector 5a-2b and state its magnitude.
June 15, 2008 by Sam

Vectors
Given vectors A = -4.8i + 6.8j and B = 9.6i + 6.7j, determine the vector C that lies in the xy plane perpendicular to B and whose dot product with A is 20.0.
September 28, 2010 by Victor

Physics
Find the scalar product of the vectors ai+bj and bi-aj . Where a and b are arbitrary constants. What's the angle between the two vectors?
May 30, 2013 by Jacob

Math vectors
What can be said about two vectors whose cross product is the zero vector?
February 27, 2015 by raymon

Vectors
Determine two unit vectors that are perpendicular to both a=[-5,6,2] and d=[3,3,-8].
June 17, 2010 by Anonymous

Vectors
Vectors "v" and "w" are given by v = 5i - 2j and w = i + 3j. Find scalars r and s such that r ( v - w) = ( r + s )i - 20j.
April 26, 2012 by Cameron

physics
Find the vectors.sum of ihe three vectors A=-3i-2j+7k, B=i+3j+k, C=-k
February 4, 2013 by baron

maths
Resultant of 2 vectors P & Q is inclined at 45 to either of them. What is the magnitude of resultant vector?
April 10, 2014 by Kamal

Vectors/Calc
Note: u,v,w,a,b are all vectors Given that u= xa + 2yb v= -2ya + 3yb w= 4a - 2b where a and b are collinear, find the values of x and y for which 2u - v =w
May 23, 2011 by Anonymous

Physics
Given the displacement vectors A = (7.00 - 1.00 + 3.00 ) m and B = (6.00 + 5.00 - 3.00 ) m, find the magnitudes of the following vectors and express each in terms of its rectangular components. (a) C = A - B (b) D = 3A + B
September 26, 2012 by Abraham

Calculus
Sketch the vector field F⃗ (r⃗ )=2r⃗ in the plane, where r⃗ =⟨x,y⟩. Select all that apply. A.All the vectors point away from the origin. B. The vectors increase in length as you move away from the origin. C. All the vectors point toward ...
October 10, 2015 by A

linear algebra
Which of the given subsets of R3 are subspaces? (a) The set of all vectors of the form [a;b;0] b)The set of all vectors of the form [a;b;c] where a > 0. c) The set of all vectors of the form [a;c;c] d) The set of all vectors of the form [a;b;c] where 2a − b + c = 5. ...
February 22, 2015 by kirsten

Physics
The sum & difference of two non-zero vectors Ä & B are equal in magnitude.what can you conclude about these vectors?why?
November 25, 2012 by Minte

The centroid of the triangle OAB is denoted by G. If O is the origin and OA=4i + 3j ,OB=6i-j. Find OG in terms of the unit vectors, I and j.
November 25, 2014 by benjieo

vectors
how do you determine if two vectors are a) Collinear b) orthogonal?
June 17, 2010 by Ariza

vectors problem!!!! help!!!!
Vectors u=2i+9j+0k and v=13i+18j+0k. What is the value of |u×v|?
May 26, 2013 by robert

Calculus and vectors
|C|=5 and |D|=8. The angle formed by vectors C and D is 35 degrees, and the angle formed by vectors A and C is 40 degrees. Determine |B|. Could someone explain this question
March 23, 2012 by Jake

Math
Given two non-collinear vectors a and b, show that a, axb, and (axb)xa are mutually perpendicular. Also Express the unit vectors i, j, and k as ordered triplets and show that i x j = k what are ordered triplets? Using components show that u x v = -v x u for any vectors u and v.
March 30, 2008 by Anonymous

Physics Help!!!!
Describe what it means (describe the motion) if the acceleration vector has the same direction as the velocity vectors, and what it means if the acceleration vector has the opposite direction as the velocity vectors. Consider all four possibilities and explain what would ...
September 5, 2014 by Layla

Physics Help!!!!
Describe what it means (describe the motion) if the acceleration vector has the same direction as the velocity vectors, and what it means if the acceleration vector has the opposite direction as the velocity vectors. Consider all four possibilities and explain what would ...
September 6, 2014 by Layla

Futher maths
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 , n is pendicular to p,m+n=q.
July 31, 2013 by Gideon

Physics
Consider two vectors one of magnitude 3 and the other 4 unit, which of the following is not correct? We can combine these vectors to yield a resultant of. A.7 B.5 C.1 D.0
March 8, 2016 by Charles

Maths
I understand that the answer to this is a+b-c, but I'm not sure how to show working out for this. Any help would be great. " O is any point in the plane of the square ABCD. The vectors OA, OB and OC are a, b and c respectively. Find the vector OD, in terms of a, b and c. Thanks!
November 25, 2014 by Vectors

Calculus
Two force vectors act on an object and the dot product of the two vectors is 20. If both of the force vectors are doubled in magnitude, what is their new dot product?
March 29, 2012 by Jake

vectors
The position vectors, r km, and the velocity vectors, v km/h, of two boats at a certain time are given by ... Boat A:at 10:00 am rA=6i+10j vA=8i–2j Boat B:at 10:30 am rB=8i+5j vB=4i+j ... determine the time at which boat B should head out so that the two boats do collide.
February 7, 2013 by Molly

Mamthematics - Vectors
a) If vector u and vector v are non-collinear vectors show that vector u, vector u cross product vector v and (vector u cross product vector v) cross product vector u are mutually othogonal. b) Verify this property using vectors collinear with the unit vector, i, j and k c) ...
August 20, 2010 by Suhani

Physica
The sum of two vectors A and B is maximum when both vectors are : A)parallel B) opposite in direction C) perpendicular to each other D) A inclined 45 with B E) none of the above
July 11, 2012 by Q8

Physica
The sum of two vectors A and B is maximum when both vectors are : A)parallel B) opposite in direction C) perpendicular to each other D) A inclined 45 with B E) none of the above
July 11, 2012 by Q9

Physica
The sum of two vectors A and B is maximum when both vectors are : A)parallel B) opposite in direction C) perpendicular to each other D) A inclined 45 with B E) none of the above
July 15, 2012 by Q8

Mechanics AS (Vectors)
When Studying Vectors, How Would I Go About Answering This Question? In Each of the following Cases, find the magnitude and direction of the resultant vectors of the two given vectors: a) a displacement of magnitude 26km on a bearing of 175 degrees and a displacement of ...
February 21, 2012 by Jat

Calculus and vectors
March 26, 2012 by Melinda

Discrete Math - Geometric Vectors
Under what conditions will 3 vectors having magnitudes of 7, 24 and 25, respectively, have the zero vector as a resultant? I don't get this question at all.
February 9, 2008 by Anonymous

calulas and VECTORS
Calculate to the nearest degree, the angle between the given vectors. [x]=8 [y]=3, x * y = 12square root 3 the answer is 30 degrees ont he back of my textbook
May 19, 2010 by z...........................

physics
The magnitudes of the four displacement vectors shown in the drawing are A = 15.0 m, B = 11.0 m, C = 12.0 m, and D = 21.0 m. Determine the magnitude and directional angle for the resultant that occurs when these vectors are added together.
January 20, 2012 by Anonymous

physis
The magnitudes of the four displacement vectors shown in the drawing are A = 13.0 m, B = 11.0 m, C = 12.0 m, and D = 27.0 m. Determine the magnitude and directional angle for the resultant that occurs when these vectors are added together.
January 20, 2012 by Natasha

physics
Consider two vectors ~ A and ~ B and their re- sultant ~ A + ~ B . The magnitudes of the vectors ~ A and ~ B are, respectively, 13 . 2 and 6 . 1 and they act at 110 ◦ to each other.Find the magnitude of the resultant vector ~ A + ~ B .
January 19, 2015 by allan

Math
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 and k. Hence find the length of PQ, in simplified surd form.
February 22, 2015 by kudu

Physics
If a&b are vectors such that a+3b=-3i+j & a-b=i-2j then find vectors a&b.
November 16, 2011 by Emily

linear algebra
Which of the given subsets of R3 are subspaces? (a) The set of all vectors of the form [a;b;0] b)The set of all vectors of the form [a;b;c] where a > 0. c) The set of all vectors of the form [a;c;c] d) The set of all vectors of the form [a;b;c] where 2a − b + c = 5.
February 23, 2015 by kirsten

Maths
The vector v has magnitude 17 and makes an angle of 105 with the positive x direction. Express v in terms of components, with i and j being unit vectors pointing in the positive x and y directions.
February 14, 2016 by Emma

calculus
Find two unit vectors that make an angle of 60° with v = 3, 4 (Enter your answer as a comma-separated list of vectors. Round your answers to four decimal places.)
August 31, 2011 by colt

URGENTTT!!
I need to use the scalar triple product. but i dont have any vectors? how am i supposed to know what the vectors all coming from one corner are?? Q:Calculate the volume of the parallelepiped with vertices at: (9,4,3), (7,12,2), (12,5,6), (3,-4,0), (10,13,5), (1,4,-1), (4,5,2) ...
September 6, 2008 by jess

URGENTTT!!
I need to use the scalar triple product. but i dont have any vectors? how am i supposed to know what the vectors all coming from one corner are?? Q:Calculate the volume of the parallelepiped with vertices at: (9,4,3), (7,12,2), (12,5,6), (3,-4,0), (10,13,5), (1,4,-1), (4,5,2) ...
September 6, 2008 by jess

Math Vectors
Verify (a + a) × (a+ b) = 0⃗ . What can be said about two vectors whose cross product is the zero vector a x b = i j k 3 -3 1 -12 12 -4 = i ( (-3) · (-4) - 1 · 12 ) - j ( 3 · (-4) - 1 · (-12) ) + k ( 3 · 12 - (-3) · (-12) ) = = i ( 12 - 12 ) - j ( (-12) - (-12) ) + k ( ...
February 27, 2015 by NoName

physics
A football player runs the pattern given in the drawing by the three displacement vectors A, B, and C. The magnitudes of these vectors are A = 5.0 m, B= 15 m, and C = 18 m. Using the component method, find the magnitude and direction è of the resultant vector
February 8, 2013 by james

math
The cruising speed of a Boeing 767 in still air is 530 mph. Suppose that a 767 is cruising directly east when it encounters an 80 mph wind blowing 40 degrees south of west. Sketch the vectors for the velocities of the airplane and the wind. Express both vectors in ordered pair...
February 17, 2014 by Connie

Physics
2. We have two vectors that line in the x-y plane. If we take the cross-product of those two vectors we know that a. the magnitude of the cross-product will always be equal to the product of the magnitudes of the two vectors. b. the magnitude of the cross-product will always ...
December 27, 2011 by Sarah

Discrete Math - Geometric Vectors
I'm lost! How do you add the following vectors? Please provide a step by step answer! 1) EA - CB + DB + AD 2) PT - QT + SR - SQ
February 7, 2008 by Anonymous

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