Ask questions and get helpful responses.
Ask a New Question
  1. Questions

precalculus

Given vectors u=(-6,4) and v=(3,3), determine if the vectors are orthogonal. if they are not orthogonal, find the angle between the two vectors.

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
T

  1. These are the choices:

    a) The vectors are orthogonal
    b) The vectors are not orthogonal. The angle between the two vectors is 72.5°
    c) The vectors are not orthogonal. The angle between the two vectors is 101.3°
    d) The vectors are not orthogonal. The angle between the two vectors is 130.6°

    I feel like it might be a just because the angle I got between the two isn't an option.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    T

  2. u•v = |u| |v| cosθ
    if u⊥v then u•v = 0
    (-6,4)•(3,3) = -18+12 ≠ 0
    so what angle θ has cosθ = -6/√936 ?

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    👤
    oobleck

  4. C. The vectors are not orthogonal. The angle between the two vectors is 101.3 degrees

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    Sunwoo

Respond to this Question

First Name

Your Response

Similar Questions

  1. Calculus

    Determine whether the planes are parallel or orthogonal. Equations given: 5x - 3y + z = 4 x + 4y + 7z = 1 How exactly do I solve this? It wasn't covered completely in class.

  2. Trigonometry

    Which of the following pairs of vectors are orthogonal? (i) v = 18i − 3j and w = −i − 6j (ii) v = 15i − 2j and w = −4i + 30j (iii) v = 3i − j and w = i + 3j A. (i) and (ii) B. (i) and (iii) C. (ii) only D. (i) only 17.

  3. 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?

  4. Algebra

    Determine if the following two planes 2x+3y-z=4 and 3x-4y-6z=1 are parallel, orthogonal or coincidental

  1. Physics

    Three vectors are shown in the figure. Their magnitudes are given in arbitrary units. Determine the sum of the three vectors. Give the resultant in terms of (a) magnitude and (b) the angle within the positive x axis.

  2. Physics

    Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 16.0 m, B = 12.0 m, C = 13.0 m, and D = 23.0 m. Determine the (a) magnitude and

  3. Mathematics - Precalculus

    1. In triangle ABC, angle C is a right angle and BC = 11. If m(angle)B = 30 degrees, find AC. A. 11sqrt3 / 3*** B. sqrt3 / 11 C. 11 / 2 D. 11sqrt3 / 2 2. Which of the following angles has a reference angle of pi / 9? A. -56pi / 9

  4. 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

  1. Physics

    What is the resultant of two displacement vectors having the same direction? a. The resultant is the sum of the two displacements having the same direction as the original vectors. b. The resultant is the difference of the two

  2. Calc

    the vectors a and b are unit vectors that make an angle of 60 degrees with each other. if a-3b and ma+b are perpendicular, determine the value of m.

  3. Calculus-PLZ help!

    Given u=3i-2j+k,v=2i-4j-3k, w=-i+2j+2k, 1 Find a unit vector normal to the plane containing v and w. 2 Find the volume of the parallelepiped formed by u, v, and w. 3 Are any of these vectors parallel? Orthogonal? Why or why not?

  4. Math

    determine whether the vectors u and v are parallel, orthogonal, or neither. u=(5,3) v=(-10/4, -3/2)

Still need help? You can ask a new question.