137 Answered Questions for the topic vector

01/16/17

Finding the components of a vector
Find the components of vector u with a magnitude of 10 and a direction angle of ∅=54°
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12/26/16

determining subspaces
determine if {A ∈ M3x3 (R) : Tr(A) = 0 } is a subspace of M3x3 (R)
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12/26/16

determining the span
Consider the vectors u = x2+ 2x + 3 , v = 2x2 + 4x + 5 in R[x]. Decide if w = 2x2 + 4x + 5 is in the span of u and v. 
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12/22/16

Proving Subspaces
by checking closure under the zero vector, closure under addition and closure under scalar multiplication; investigate if     W = { (w1, w2, w3) ∈ R3 : 6w1 - 5w2 + 4w3 = 0 } is a subspace of R3 ?
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12/15/16

Vector physics help!
Suppose a body has a force of 10 pounds acting on it to the right, 25 pounds acting on it -135° from the horizontal, and 5 pounds acting on it directed 150° from the horizontal. What single force... more
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12/15/16

If vector v has an initial point and a terminal point write v as multiples of the basis vectors, write v in the form v = ai + bj.
If vector v has an initial point at P1 and a terminal point at P2, write v as multiples of the basis vectors i = <1,0> and j = <0,1> That is, write v in the form v = ai + bj.   P1 =... more
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12/15/16

Find a unit vector that points in the opposite direction as v.
Find a unit vector that points in the opposite direction as v.   Let .v=-3(pi 2)i-4(pi 2)j   A. u= (3/5)i+(4/5)j B. u= -(3/5)i-(4/5)j C. u= -(5/3)i-(5/4)j D. u= (5/3)i+(5/4)j  
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Vector

11/24/16

Find the angle θ between the vectors v and w
v = (7,2,−10), w = (2,6,4)
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Vector

10/31/16

linearly independent vectors question
Given three vectors x1 = [2 4 8]T, x2 = [1 -11]T, x3 = [1 1 4]T, test if they are linearly independent. Write x1 as a linear sum of x2 and x3
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Vector

10/17/16

Vector perpendicular distance
 Find perpendicular distance of the plane 6 x + y + 2 z = 18 from origin O by first finding co-ordinates of the point P on the plane such that OP is perpendicular to the given plane.
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Vector Calculus 3

10/04/16

Find an equation of the plane.
Find an equation of the plane.The plane that passes through the point (2, 4, 5) and contains the line x = 5t, y = 2 + t, z = 4 − t
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10/03/16

12.5: Equations of Lines and Planes
Find an equation of the plane.The plane through the point (7, −8, −4) and parallel to the plane 9x − y − z = 1
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09/27/16

Motion and Force doubt
When I calculating resultant force in equilateral triangle why there is square root vector formula we will put?
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08/29/16

Vector Analysis Arc Length, Unit tangent, unit Normal and curvature
Let C be the curve given by the equation, R(t)= sin t i + cos t j + log sec t k     (0≤t<π/2)   Find: a.) the element of arc length, ds, along C, in terms of t. b.) the unit tangent T. c.)... more
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Vector

08/01/16

Application of vector in computer science?
pls ans this question. it is very very i mportant for me
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07/10/16

Let V be the vector set in R2 with the following: Addition: [x1x2]?[y1y2]=[0x2+y2] Scalar Multip.: a?[x1x2]=[0ax2] Which of 8 Vector Space Axioms are met?
I cannot for the life of me figure out which of these I am missing and/or over-including in my response to this question.
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Vector

06/08/16

find the equation of the line that is parallel to (x,y,z)=(2,3,7)+t(3,0,1) and goes through the point P(-1,2,6)
I am having trouble with this question
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Vector

05/11/16

Vector question
The x and y components of vector P have Numerical values 6 and 6 respectively and that of (P vector + Q vector) have Numerical values 10 and 9. What are the Numerical values of X and y components... more
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04/29/16

Vector Genetics DNA
You digest a 2000kb region of DNA with EcoRI and get three fragments. The middle fragment is 300bp. You take the middle fragment and clone it into a vector that is 700bp. a) How large will the... more
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Vector

04/14/16

If a force of 50 pounds is directed 30° from the horizontal, what vector represents this force?
If a force of 50 pounds is directed 30° from the horizontal, what vector represents this force?
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04/07/16

Maths Vectors Question
Show that, for all vectors, u and v, |u x v|^2 = |u|2|v|2 - |u.v|2
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03/17/16

Trig Vector Question, What is the ground speed of the plane?
An airplane has an airspeed of 500 kilometers per hour bearing N45°E. The wind velocity is 60 kilometers per hour in the direction N30°W. Find the resultant vector representing the path of the... more
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02/03/16

What are the components in terms of the angle & magnitude?
What are the x & y components of vector E in terms of the angle σ & the magnitude E?   For the same vector, what are the x & y components in terms of the angle ø & the magnitude... more
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Vector Math Physics Value

02/03/16

What is the value of its y-component?
A position vector with magnitude 10m points to the right & up.  Its x-component is 6.0m.  What is the value of its y-component?
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01/21/16

How do you add 2D vectors a+b with the component method?
How do you add 2D vectors a+b if the magnitude of vector a is 10, its angle with (+) x-axis is 45 and angle with (+) y-axis is 45 ... then vector b has a magnitude of 3 angle with (+) x-axis... more
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