Find the unit vector that's in the same direction as w=20i-21j

Find the unit vector that's in the same direction as w=20i-21j

Find the components of vector u with a magnitude of 10 and a direction angle of ∅=54°

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.

determine if {A ∈ M3x3 (R) : Tr(A) = 0 } is a subspace of M3x3 (R)

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...

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...

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...

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...

v = (7,2,−10), w = (2,6,4)

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

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....

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

Find an equation of the plane. The plane through the point (7, −8, −4) and parallel to the plane 9x − y − z = 1

When I calculating resultant force in equilateral triangle why there is square root vector formula we will put?

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...

pls ans this question. it is very very i mportant for me

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.

I am having trouble with this question

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

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...

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