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July 30, 2014

Search: Calculus and vectors-Help~David

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Calculus and vectors-Help~David
Rectangular prism is defined by vectors (2,0,0)(0,9,5) and (0,0,3). Find the volume. I have done this so far, would anyone please verify this. (2,0,0)(0,9,6) (0-2, 9-0, 6-0) =(-2,9,6) (-2,9,6)(0,0,3) =(2,-9,-3) (2)(-9)(-3)=54 cm^3 Therefore volume is 54 cm^3
March 22, 2012 by Jake

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

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

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

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

art/101
· Examine the sculptures of Donatello’s David (Early Renaissance), Michelangelo’s David (High Renaissance), and Bernini’s David (Baroque). · Write a 300- to 350-word comparison of the different styles of the David sculptures by these three artists.
October 27, 2010 by stephaine

ela
I'm doing an essay on how author's language expresses change in character. First, I need to know how David changed from a particular event in the story David's Haircut by Ken Elkes. I want to say that David changed from the haircut or that David changed from the daydream he ...
January 27, 2014 by lily

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

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

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

science
David is traveling at 20 m/s in a car when the car hits the tree. David comes to a complete stop in 0.4 seconds. What is David's acceleration?
February 15, 2011 by Nicole

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

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

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

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

Calculus
Given vectors u= (1,-1,3) and v= (-4,5,3) find an ordered triple that represents vectors 3u-2v. a.(16,1,-7) b.(11,-13,3) c.(10,-12,1) d.(7,-7,16) I dont want you to straight up give me the answer. I need someone to teach me how to solve this problem. I am home schooled and i ...
August 23, 2012 by alana

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

CALCULUS!!!!!
Given the vectors a = (1, 3, 4) and b = (4, 5, -4), what is the angle between the two given vectors to the nearest degree?
July 2, 2008 by Mathlicious

Calculus
Suppose vectors a and b are vectors such that a x b =(3,1,4). What is the cross product of twice of a with twice of b?
April 17, 2012 by Jake

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

Calculus
a) Prove that |A|^2 = A•A for every vector A. (Note, the A's are vectors) b)Use this to show that if |F(t)| is constant for t for all (a,b), then F'(t)•F(t) = 0 for t for all (a,b). (Note the Fs are vectors)
September 6, 2008 by Mark

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

University Physics
David is driving at a steady 36.0 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 1.20 m/s2 at the instant when David passes. How far (in m) does Tina drive before passing David?
September 12, 2011 by Me

Calculus and vectors
Please help/verify the answer. 1. When you add vectors geometrically: a) vectors are aligned tail to tail b) vectors are aligned head to head c) vectors are aligned head to tail d) vectors are put side by side Is the answer D? -------------------------------------- 2. Adding a...
March 26, 2012 by Melinda

Science- Physics
David is driving a steady 24.0m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70m/s^2 at the instant when David passes. How far does Tina drive before passing David? What is her speed as she passes him?
September 27, 2010 by Kim

college- Physics
David is driving a steady 24.0m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70m/s^2 at the instant when David passes. How far does Tina drive before passing David? What is her speed as she passes him?
September 27, 2010 by Kim

Physics
David is driving a steady 21.0m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.50m/s2 at the instant when David passes. How far does Tina drive before passing David? What is her speed as she passes him?
September 13, 2013 by Kala

Physics
David is driving a steady 24.0m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.90m/s2 at the instant when David passes. How far does Tina drive before passing David? What is her speed as she passes him?
September 26, 2013 by Ronan

physics
David is driving at a steady 30.0 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 m/s^2 at the instant David passes. How far does Tina drive before passing David and what is her speed as she passes him?
October 7, 2009 by Angela

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...........................

Physics
Emily challenges her husband, David, to catch a $1 bill as follows. She holds the bill vertically, with the center of the bill between David's index finger and thumb. David must catch the bill after Emily release it without moving his hand downward. If his reaction is 0.2 s, ...
September 26, 2010 by stacy

math
mia gave 1/3 of her 24 marbles to david how many did david get?
April 26, 2012 by kendra

math
Mia gave 1/3 of her 24 marbles to david. How many did david get?
April 26, 2012 by kendra

Calculus
For which following condition, will the dot 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 180° d) If the vectors have the same magnitude. Anyone know what the answer is?
July 4, 2008 by MileyWannabe

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

Calculus and vectors
Explain how the vector C⃗(Going from the head of B⃗ to the head of A⃗) can be written in terms of vectors A⃗ and B⃗ Given the shape in this url: imgur dot com/5nT3V
March 18, 2012 by Melissa

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

Calculus
Find the inner product of vectors a and b if a = (3, 0, –1) and b = (4, –2, 5,) and state whether the vectors are perpendicular. Find the inner product of vectors a and b if a=(4,-2,-2) and b= (-7,-2,4) , and state whether the vectors are perpendicular.
September 10, 2012 by horre

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

12th grade
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

english
Does this sound good or do I need an a comma behind David. I think it sounds ok but i would like another person input. My nephew David is a lawyer.
August 11, 2009 by cindy

Math
Matt has twice as many stickers as David. If David has d stickers, and Matt gives David 10 stickers, how many stickers does each have in terms of d?
February 20, 2009 by Craig

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

ms sue checkanswer lang arts
10. Which of the following sentences is punctuated correctly? David wants to go skiing; however he can’t go with you this weekend. *******David wants to go skiing, however, he can’t go with you this weekend. David wants to go skiing; however, he can’t go with you this weekend...
April 3, 2013 by jman

Math: Calculus - Geometric Vectors
Find the magnitude and the direction of the resultant of each of the following systems of forces using geometric vectors. a) Forces of 3 N and 8 N acting at an angle of 60 degrees to each other. Please help me with this question. I don't understand the wording, so I don't know...
February 17, 2008 by Anonymous

calculus
Find parametric equations and symmetric equations for the line through P0 and perpendicular to both given vectors. (P0 corresponds to t = 0.) P0 = (4, 3, 0) i + j and j + k Not exactly sure what to do, how do I find what is perpendicular to both vectors?
August 24, 2011 by lines & planes

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

Calculus III- Please Help
2. Use the properties of the dot product to show that (⃗b·⃗c)a−(⃗a·⃗c)⃗b is perpendicular to ⃗c. Must be shown for arbitrary vectors. I have tried to assign each vector (b,a,c) arbitrary identities with unit vectors i,j,k, but I'm ...
January 30, 2012 by Joy

english
What needs to be done to correct this sentence? Just what would you do,David,if the situation were reversed? a. THE SENTENCE IS CORRECTLY PUNCUATED b. REMOVE THE COMMA BEFORE DAVID c. REMOVE THE COMMA AFTER DAVID d. REPLACE THE COMMA WITH A SEMICOLON The sentence is just fine ...
October 18, 2006 by Kourtney

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

Law(case analysis)
1. Identify all potential lawsuits (eg. parties and theories) which could occur. Case: David is a former employee of 123 Bytes. He enters the property of 123 Bytes, claiming that the company owes him $1,000 in back wages. An argument ensues, and the 123 Bytes manager, Bill, ...
January 29, 2007 by Anthony

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

English
Which of the following sentences is punctuated correctly? David wants to go skiing; however he can’t go with you this weekend. David wants to go skiing, however, he can’t go with you this weekend. David wants to go skiing; however, he can’t go with you this weekend. I think it...
November 30, 2012 by Deborah

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

calculus - vectors
Show that x dot y = 1/2 ( |x + y^2| - |x|^2 - |y|^2 )
February 28, 2008 by Michelle

Calculus
Given vectors u= (3, -4, 1) and v= (2, 1, -5) Find: a) u x v b)|u x v|
May 16, 2010 by Ariza

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

math
david and joseph have a total of 328 marbles. Mathew and david have 176 marbles. joseph has 5 times as many as Mathew. how many marbles does david have?
March 31, 2013 by shohanur

math
david and joseph have a total of 328 marbles. Mathew and david have 176 marbles. joseph has 5 times as many as Mathew. how many marbles does david have?
March 31, 2013 by shohanur

math
david and joseph have a total of 328 marbles. Mathew and david have 176 marbles. joseph has 5 times as many as Mathew. how many marbles does david have?
March 31, 2013 by shohanur

Calculus
Show that the vectors (-1,2,3), (4,1,-2) and (-14,-1,16) do not lie on the same plane
April 28, 2010 by Blazon

Calculus
Prove each property using Cartesian vectors: A) (u +v) + w = u + (v + w)
May 8, 2010 by Ariza

Calculus
Find the dot product of the pair of vectors; s=4i +j t=-i -j
May 8, 2010 by Bobby

calculus
Given vectors u= (t, 2t, 3) and v=(2t, 5t, -1). For what values of t a) are u and v parallel? b) are u and v perpendicular?
May 16, 2010 by Ashley

Calculus
Given vectors u= (t, 2t, 3) and v=(2t, 5t, -1). For what values of t a) are u and v parallel? b) are u and v perpendicular?
May 24, 2010 by Ria

calculus
What conditions must be satisfied by vectors u and v for this to be true? |u + v| >|u - v|
May 24, 2010 by Abigail

Calculus
For which value(s) of k will the dot product of the vectors (k,2k-1, 3) and (k,5,-4) be 7? I did this so far, 2k-1=5 6/2 k=3
March 29, 2012 by Jake

Calculus
Calculate the dot product of two vectors: m = [4,5,-1] and n = [6,-2,7]
May 9, 2012 by J

English
1. This is my cousin David. 2. Please meet my cousin David. 3. Let me introduce my cousin David. (Do they have the same meaing? Are they the expressions we can use when we introduce somebody to others? Why do we have to use 'meet' in this situation? Can't we use other ...
November 30, 2010 by rfvv

MATH
David wants to reduce a rectangular image on his computer so that the new image has 25% of the area of the original image. How should David modify the image? Justify your answer.
February 17, 2014 by Anon

physics
David and his father sat at the end of a see-saw 2 m from the pivot. where should David's mother sit in order to balance the see-saw
February 18, 2014 by shaz b

Calculus
A rectangular prism is defined by vectors (2,0,0) (0,9,6) and (0,0,3). Find the volume.
March 22, 2012 by Melissa

Calculus
1. Find a unit vector which is perpendicular to both of the vectors m=[4, 2, -3] and n=[2, -3, 1]
May 24, 2012 by j

Calculus
2. Give that the vectors u=[2, t, -4] and v=[1, -3, t-4] are perpendicular, find the value of the constant, t.
May 24, 2012 by j

Calculus
1. Find a unit vector which is perpendicular to both of the vectors m=[4, 2, -3] and n=[2, -3, 1]
May 25, 2012 by j

Calculus
2. Give that the vectors u=[2, t, -4] and v=[1, -3, t-4] are perpendicular, find the value of the constant, t.
May 25, 2012 by j

Calculus
Let u = (-2,3) and v = (5,-6). Find the sum and the dot product of these two vectors.
July 5, 2012 by Brock

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

Calculus
Resolve u=[3,4,7] into two orthogonal vectors, one of which is collinear with v=[1,2,3].
May 23, 2010 by Arima

Calculus
Resolve u=[3,4,7] into two orthogonal vectors, one of which is collinear with v=[1,2,3].
May 23, 2010 by Arima

Calculus
3. Determine that the vectors u=[t, 4, 2t+1] and v=[t+2, 1-t, -1] are perpendicular, find the possible values of the contant, t.
May 24, 2012 by j

Calculus
3. Determine that the vectors u=[t, 4, 2t+1] and v=[t+2, 1-t, -1] are perpendicular, find the possible values of the contant, t.
May 25, 2012 by j

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

literature
can you interpret the way of life, culture and aspirations of people from the literary piece that they produced??? like the one wrote by david diop; "Africa"...how did david diop come up with the poem??? what are the things the poem is trying to emphasize???
January 29, 2008 by gwapa ko

Grade 12 Math
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
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

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

Math
Hi, I really need help on this question, I'm stuck. Lake View Middle School is having elections for Class President. Shawn has received a certain amount of votes. April has 6 more votes than Shawn, and David has 6 times as many votes as April. Michael received 1/2 the amount ...
April 14, 2007 by Robert

calculus
The area of the parallelogram formed by the vectors p = (a, 1, -1) and q = (1, 1, 2) is root 35. Determine the values of 'a' for which this is true.
May 24, 2010 by Anonymous

Calculus
Determine the value(s) of k such that the area of the parallelogram formed by vectors a = (k+1, 1,-2) and b =(k,3,0) is [sqrt(41)]
April 2, 2012 by Jake

Calculus grade 12
Explain why three directional vectors of the plane cannot me mutually perpendicular .
May 3, 2012 by J

Calculus grade 12
Explain why three directional vectors of the plane cannot me mutually perpendicular .
May 4, 2012 by J

Calculus please help !
Find the inner product of a and b if a= (3, 0, –1) and b= (4, –2, 5), and state whether the vectors are perpendicular.
February 20, 2013 by Becca

grade 12 calculus and vectors
Determine the average rate of change form x = 1 to x = 4 for each function. a) y= x b) y=x^2 c) y=x^3 d) y=7
February 6, 2014 by priyanka

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