Friday
April 18, 2014

Search: Discrete Math - Vectors

Number of results: 215,571

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.
Saturday, February 9, 2008 at 5:38pm by Anonymous

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
Thursday, February 7, 2008 at 9:48pm by Anonymous

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?
Tuesday, January 1, 2013 at 6:21am by bhawani

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?
Wednesday, January 2, 2013 at 1:04am by bhawani

Discrete Math - Geometric Vectors
zero vector as a resultant means that you end up where you started. So the vectors should form a triangle of lengths 7,24 and 25 I noticed that 7^2 + 24^2 = 25^2 so they will form a right-angled triangle with 25 the hypotenuse you can find one of the other angles by arctan(24/...
Saturday, February 9, 2008 at 5:38pm by Reiny

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?
Wednesday, February 13, 2008 at 2:38pm by Anonymous

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.
Saturday, January 5, 2013 at 4:04am by raja

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
Sunday, November 21, 2010 at 8:12pm 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
Sunday, November 21, 2010 at 8:50pm by karla

Discrete Math - Geometric Vectors
Since vectors have magnitude and direction, a vector like -CB = +BC so EA - CB + DB + AD = EA + AD + DB + BC = EC notice I made then terminal point of a vector equal to the initial point of the next vector, so you are "just going" from E to A, then onto D, and then to B and ...
Thursday, February 7, 2008 at 9:48pm by Reiny

Elementary Math
The temperature of a cup of coffee is a discrete or continuous random variable? Am I correct " Discrete"
Saturday, August 8, 2009 at 8:19pm by J.J.

MATH
Determine whether the situation calls for a discrete or continuous random variable. The braking time of a car Is it discrete?
Tuesday, September 8, 2009 at 6:00pm by Jalynn

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) ...
Sunday, January 23, 2011 at 9:02pm by Brittany

research and evaluation
Give examples of both discrete and continuous data? What makes them different? Is the measurement of money continuous or discrete? Explain. Can discrete data be analyzed using the normal distribution? Why or why not?
Thursday, November 18, 2010 at 11:52pm by sue

Stats
Determine the following random variables discrete or continuous: a)Number of fish I caught during 2 hours? I said: discrete b)Temperature of a coffee cup? I said: continuous c)Height of a 2-year-old maple tree? I said: continuous d) Number of credit cards I have in my wallet? ...
Saturday, February 8, 2014 at 4:24pm by Ashley

Physics
The last thing you need to see is an equation. You are adding three vectors. Compute the vectors, and add them with vector math, the result will be along the direction of the diagonal. I suspect you are having breaking vectors into components, and need to understand that.
Friday, August 13, 2010 at 8:12pm by bobpursley

Calculus and Vectors
THE VECTORS a - 5b AND a-b ARE PERPENDICULAR. IF a AND b ARE UNIT VECTORS, THEN DETERMINE a dot b
Saturday, May 11, 2013 at 3:53pm by Johnny

physics
You add the vectors. I recommend break each of the distances into N and E vectors, so adding the four vectors can be done in components. I will be happy to critique your thinking or work.
Monday, January 14, 2008 at 3:11am by bobpursley

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.
Wednesday, April 28, 2010 at 4:56pm by Jackiee

Physics
Break each of the vectors into N, E components. For instance: vectorC is -C*Cos35 E and C*sin35N do that for all three vectors, then the sum of all three E vectors will be zero, and the sum of all three N vectors will be zero. Solve B, C (B,C is a magnitude of vectors b, C
Monday, January 19, 2009 at 8:59pm by bobpursley

Calulas and VECTORS
THE VECTORS a - 5b AND a-b ARE PERPENDICULAR. IF a AND b ARE UNIT VECTORS, THEN DETERMINE a * b
Wednesday, May 19, 2010 at 7:34pm by z...........................

Vectors
THE VECTORS a - 5b AND a-b ARE PERPENDICULAR. IF a AND b ARE UNIT VECTORS, THEN DETERMINE a * b
Saturday, May 11, 2013 at 3:54pm by Johnny

Stats
Classify the following as discrete or continuous random variables. (A) The time it takes to run a marathon (B) The number of fractions between 1 and 2 (C) A pair of dice is rolled, and the sum to appear on the dice is recorded (D) The length of a broad jump I got: (A) ...
Monday, October 24, 2011 at 3:41pm by Jennifer

physics
if the * is the degrees, then you need to draw the vectors according to their direction. you can use a graph paper and make your own scale: say one unit cube is 10km/hr. then use the protractor to draw the vectors taking an horizontal line as zero degrees. then draw the ...
Thursday, June 6, 2013 at 3:57am by bonjo

Is this right?? Stats....
Classify the following as discrete or continuous random variables. (A) The time it takes to run a marathon (B) The number of fractions between 1 and 2 (C) A pair of dice is rolled, and the sum to appear on the dice is recorded (D) The length of a broad jump I got: (A) ...
Tuesday, October 25, 2011 at 9:28am by Jennifer

math
Determine whether the situation calls for a discrete or continuous random variable. The number of freshmen in the required course, English 101 The braking time of a car I think the first one discrete and the second is continous is this correct?
Sunday, April 25, 2010 at 1:26pm by KiKi

physics
if the * is the degrees, then you need to draw the vectors according to their direction. you can use a graph paper and make your own scale: say one unit cube is 10km/hr. then use the protractor to draw the vectors taking an horizontal line as zero degrees. then draw the ...
Thursday, June 6, 2013 at 3:57am by d

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 ...
Wednesday, June 9, 2010 at 5:25pm by Alicia

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 ...
Sunday, March 18, 2012 at 12:09am by Melissa

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?
Friday, March 23, 2012 at 4:03pm by Melinda

Discrete Math
There are 150 students taking Discrete Mathematics II, Calculus II, and Physics I courses. Of these 51 are taking Discrete Mathematics II, 111 are taking Calculus II, and 63 are taking Physics I. There are 41 taking Discrete Mathematics II and Calculus II, 32 students taking ...
Sunday, April 6, 2014 at 11:29pm by Anonymous

math-please help!
Determine whether the situation calls for a discrete or continuous random variable. The number of freshmen in the required course, English 101 The braking time of a car I think the first one discrete and the second is continous is this correct?
Sunday, April 25, 2010 at 8:55pm by KiKi

Math
Prove that vectors u, v and w are coplanar if and only if vectors u, v and w are linearly dependent.
Friday, April 18, 2008 at 1:34am by Tess

Discrete Math - Vectors
Can you please help me correct my answers for the following two questions? 1) A tour boat travels 25 km due east and then 15 km S50E. Represent these displacements in a vector diagram, then calculate the resultant displacement. ====== My Work: I drew the vectors and connected...
Sunday, February 10, 2008 at 1:32am by Anonymous

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
Thursday, September 27, 2012 at 8:59pm by cody

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
Tuesday, September 22, 2009 at 9:54am by parth

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.
Monday, May 2, 2011 at 5:15pm by Becky

statistics, are my calculations correct?
classify the following as discrete or continuous random variables: a) the time it takes to run a marathon- i think that it is discrete b) the number of fractions between one and two- i think that it is discrete? c) a pair of dice is rolled and the sum to appear on the dice is ...
Saturday, October 23, 2010 at 6:51pm by mary- please check calculations.

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?
Friday, March 1, 2013 at 6:58pm by dave

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.
Thursday, January 29, 2009 at 9:48pm by Joanie

college physics
vectors have direction. YOu have specified no directional vectors in your vectors.
Tuesday, September 28, 2010 at 1:15pm by bobpursley

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 ...
Monday, August 6, 2007 at 12:33am by mekeke

math
using 2 different pairs of points, find 2 direction vectors in the plane, then take the cross-product of those two vectors.
Monday, January 25, 2010 at 5:49pm by Reiny

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.
Sunday, March 30, 2008 at 10:57am by Anonymous

Math
That is pretty much the idea, but really discrete means only certain values. For example if half values were allowed but not others like 1/4 and 3/4 it would still be discrete, a finite number of values allowed.
Thursday, January 14, 2010 at 6:58pm by Damon

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?!
Wednesday, August 5, 2009 at 2:24pm by jawn

Math
the question i need help with is: Classify the random variable as finite discrete, infinite discrete or continuous. The random variable given is the number of hours a child watches television on a given day.
Wednesday, June 8, 2011 at 11:41pm by Winnie

Math
In your own line of work, give one example of a discrete and one example of a continuous random variable, and describe why each is continuous or discrete.
Tuesday, October 11, 2011 at 6:00pm by Jen

vectors
If two vectors u and v fit the equation (u − v) (u − v) = uu+vv, how must these vectors u and v be related? What familiar theorem does this equation represent?
Monday, April 12, 2010 at 7:07pm 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 ...
Thursday, July 19, 2007 at 2:02pm by chris

What is discrete math? And is it relatively easy?
Thank you for using the Jiskha Homwork Help Forum. Here are some explanations about discrete math: 1. http://en.wikipedia.org/wiki/Discrete_mathematics 2. http://www.elsevier.com/wps/find/journaldescription.cws_home/505610/description#description 3. http://math.about.com/od/...
Tuesday, December 18, 2007 at 11:17pm by SraJMcGin

discrete data
Can discrete data be analyzed using a normal distribution?
Thursday, June 2, 2011 at 4:38pm by Anonymous

Physics
A) The work done is the scalar product of the F and d vectors. B) The cosine of the angle between the two vectors is the ratio of the scalar product (obtained in part (A)) to the product of the magnitudes os the F and d vectors. C) I do not understand why the displacement is ...
Wednesday, April 22, 2009 at 10:40pm by drwls

Calculus and vectors
take the triple product (2,0,1)(-2,0,0)(2,3,0) | 2 0 1 | |-2 0 0 | = -6 | 2 3 0 | so the vectors are not coplanar. The product represents the volume of the parallelopiped with the three vectors as edges. If they are coplanar, the volume is zero.
Monday, March 26, 2012 at 3:21pm by Steve

Vectors
You don't really even need vectors for this. It takes 2/10 hours to cross the river. In that time, the boat drifts downstream 2/10*4 = 4/5 km. Now, if you want to find the heading needed to get straight across the river, then you need some vectors.
Monday, March 12, 2012 at 10:45pm by Steve

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
Friday, March 23, 2012 at 12:12am by Jake

Math - equation of plane and vectors
A plane is defined by the equations x-4y+2z=16. Find two vectors parallel to the plane.
Saturday, September 4, 2010 at 4:16pm by Shaila

Math - equation of plane and vectors
A plane is defined by the equations x-4y+2z=16. Find two vectors parallel to the plane.
Sunday, September 5, 2010 at 11:27pm by Shaila

total misunderstanding of vectorsphysics
You have made this problem impossible by the most fundamental error. You gave us scalars, not vectors! Vectors have both magnitude (scalar length) and DIRECTION !!! Without direction, the three "things" are simply not vectors and they certainly do not have components.
Friday, February 8, 2013 at 6:40pm by Damon

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...
Monday, February 17, 2014 at 11:34pm by Connie

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 ...
Wednesday, November 3, 2010 at 10:06am by traxx

Physics
speed, of a snail or otherwise, is a scalar. Add direction, and it is a vector. Multiply, or to divide vectors is a little complicated. ordinary multiplication or division results in a vector. dot product results in a scalar cross product results in a vector which is ...
Saturday, January 31, 2009 at 12:22pm by bobpursley

Math: Vectors
Find any vector w that is perpendicular to both vector "u = 3j + 4k" and vector "v = 2i". Note: i, j and k are unit vectors How would you solve this problem? Please walk me through?
Tuesday, February 26, 2008 at 8:41pm by Anonymous

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 ...
Monday, April 16, 2007 at 8:10am by Charles

STATISTICS
Here's a little info to help you identify between discrete and continuous variables. Discrete variables assume a finite number of values between any two points, like the number of children or the number of votes for a candidate in any election. Continuous variables assume an ...
Friday, June 11, 2010 at 9:59am by MathGuru

Calculus/Vectors
Calculate the area of the parallelogram with sides consisting of the vectors: a = (1,2,-2) b = (-1,3,0)
Tuesday, May 17, 2011 at 5:46pm by Anonymous

Vectors/Calc
Calculate the area of the parallelogram with sides consisting of the vectors: a = (1,2,-2) b = (-1,3,0)
Tuesday, May 17, 2011 at 6:52pm by Anonymous

Physics
If a&b are vectors such that a+3b=-3i+j & a-b=i-2j then find vectors a&b.
Wednesday, November 16, 2011 at 12:52pm by Emily

Calculus and vectors
Do the vectors (2,0,1),(-2,0,0) and (2,3,0) lie on the same plane? Explain your reasoning.
Monday, March 26, 2012 at 3:21pm by Melinda

Calculus and Vectors
(a-5b).(a-b) = 0 ----> a^2 + 5 b^2 - 6 a.b = 0 a^2 = b^2 = 1 (as a and b are unit vectors), therefore: a.b = 1
Saturday, May 11, 2013 at 3:53pm by Count Iblis

Vectors
Determine two unit vectors that are perpendicular to both a=[-5,6,2] and d=[3,3,-8].
Thursday, June 17, 2010 at 11:26pm by Anonymous

physics
what are vectors? and how do you us them. for example, i don't understand vector addition.
Sunday, January 23, 2011 at 10:06pm by vectors?

engineering science N4
You add them as vectors. Vbreltoa=velocityb-veloictya AS VECTORS
Monday, March 4, 2013 at 1:57pm by bobpursley

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.
Thursday, April 26, 2012 at 9:32am by Cameron

vectors
how do you determine if two vectors are a) Collinear b) orthogonal?
Thursday, June 17, 2010 at 11:05pm by Ariza

Science
Net force is the totla force acting on an object. Remember that forces are vectors, so you have to choose a positive direction, where the vectors will be positive and a negative direction where the vectors will be negative.
Wednesday, March 28, 2012 at 8:00pm by A.P.

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?
Thursday, March 29, 2012 at 7:06pm by Jake

Vectors
If vector a and b are unit vectors, and |a+b|= root3, determine (2a-5b) dot product(b+3a)
Wednesday, May 19, 2010 at 5:11pm by Shawn

physics
Find the vectors.sum of ihe three vectors A=-3i-2j+7k, B=i+3j+k, C=-k
Monday, February 4, 2013 at 8:24pm by baron

Maths-can someone explain something to me???
Here's another site that may help you. https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/vectors/v/linear-algebra--introduction-to-vectors
Monday, February 18, 2013 at 12:48pm by Ms. Sue

Vectors, please check drawing
You have correctly chained the two vectors together. The resultant is the vector that joins the head and tail of the chain, but it is important to note that: "the arrow-head of the resultant and the chain coincide, and the tails coincide as well" It is not possible to verify ...
Thursday, September 22, 2011 at 9:06pm by MathMate

Math
discrete, is whole numbers like (0, 1, 2, 3, 4). they are countable. continuous is not whole numbers (o.976, 1.456, 2.2, 3.4) They are not whole numbers, and they are usually used when measuring something like time of a movie, length of a car. there is lots of examples look ...
Wednesday, February 29, 2012 at 6:47pm by Rose Bud

Calculus
(a) Since the definition of a dot product of A and B vectors , where A and B are vectors, is |A| |B| cos theta, then if B = A, then the angle between the two vectors is zero and {A}^2 = A*A (b) What are a and b? You don't define them. If the magnitude of F is constant, the ...
Saturday, September 6, 2008 at 7:00pm by drwls

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 ...
Tuesday, October 15, 2013 at 12:30am by butcha

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) ...
Friday, August 20, 2010 at 12:38am by Suhani

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.
Sunday, June 15, 2008 at 2:54pm by Sam

Physics
The sum & difference of two non-zero vectors Ä & B are equal in magnitude.what can you conclude about these vectors?why?
Sunday, November 25, 2012 at 6:12pm by Minte

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...
Monday, March 26, 2012 at 10:53pm by Melinda

Math
(1) draw vectors for speed direction adding vectors head-to-tail Results: a right angle (2) draw the resultant vector (hypothenuse) completing the right triangle. (30 Solve using pythag. theorem
Monday, August 27, 2012 at 8:49pm by Charrice

vectors
Add those two vectors by adding x and y components separately. The equilibrant will have the same magnitude (as the resultant) but be in the opposite direction.
Sunday, December 5, 2010 at 4:15pm by drwls

PLEASE HELP! college algebra
the magnitude of dot and products of two vectors are 6 ander root 3 and 6 respectivly9.find the angle between the vectors.
Friday, April 19, 2013 at 8:42pm by a khaliq

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?
Thursday, May 30, 2013 at 9:03am by Jacob

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 ...
Tuesday, February 21, 2012 at 1:00pm by Jat

Physics
For your next question on vectors, you will have to brief us as to what you have learned. To combine two vectors, you could use graphical methods or summing components of vectors. In this particular case, since the two vectors happen to be directed opposite to each other, we ...
Monday, September 7, 2009 at 8:27pm by MathMate

Algebra
In a continous graph, all points are connected. In discrete, they may not be. Here is an example of a discrete graph 0<x<4 and 4<x<12435 Notice at the value of 4, the lines do not connect from one segment to another.
Wednesday, January 16, 2008 at 8:28pm by bobpursley

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
Wednesday, May 19, 2010 at 7:37pm by z...........................

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
Monday, May 23, 2011 at 11:10am by Anonymous

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
Wednesday, July 11, 2012 at 1:53pm 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
Wednesday, July 11, 2012 at 2:02pm 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
Sunday, July 15, 2012 at 3:25am by Q8

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