Math

I need help with this:
For the vector W = <12, –20>, determine |W| (magnitude) and the angle between W and the x-axis.

  1. 👍
  2. 👎
  3. 👁
  1. as always,
    |w| = √(12^2+20^2)
    tanθ = y/x = -5/3
    θ is in QIV

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    Vector A has a magnitude of 8.00 units and makes an angle of 45.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods, find (a) the vector sum

  2. wits

    Vector A has magnitude of 75 units and points in the positive x direction.vector C = A+B points points in the y direction and has magnitude of 95m.(a) sketch vector A; B & C. (b) Estimate the magnitude & direction of vector B. (c)

  3. physics

    The velocity vector V1 has a magnitude of 3.0 m/s and is directed along the +x-axis. The velocity vector V2 has a magnitude of 2.0 m/s. The sum of the two is V3, so that V3 = V1+V2 True False The magnitude of V3 can be -3.0 m/s

  4. 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

  1. Calculus and vectors

    Vector AB is a vector whose tail is at (-4,2) and whose head is at (-1,3). Calculate the magnitude of vector AB Determine the coordinates of point D on vector CD, if C (-6,0) and vector CD= vector AB. Please I need some help. Is

  2. Physics

    1. Two points in a plane have polar coordinates (2.5 m, 30 degrees) and (3.8 m, 120 deg). Determine (a) the cartesian coordinates of both points and (b) the distance between the points. 2. Vector A has magnitude 29 units and

  3. PHysics

    Vector a has a magnitude of 5 m and is directed east. vector b has magnitude of 4m and is directed 35 degrees west of north. A)What is the magnitude and direction of vector a + vector b b)What is the magnitude and direction of

  4. math

    The coordinates of points A and B are A(2,3).B(4,-5).M is the midpoint of vector AB.Determine the coordinates of point M and the magnitude of vector BM.

  1. physics

    Any vector can be written as a unit vector multiplied by the magnitude of the vector (a positive scalar). Write each of the following vectors as the magnitude of the vector times the appropriate unit vector: < 0.00330, 0, -0.00330

  2. physic

    Vector A,with a magnitude of 23 units, points in the positive x direction. Adding vector B to vector A yields a resultant vector that points in the negative x direction with a magnitude of 8 units. What are the magnitude and

  3. physics

    Which of the following statements is a true statement? A. A vector can have positive or negative magnitudes. B. A vector's magnitude cannot be more than the magnitude of one of its components. C. If the x-component of a vector is

  4. Physics

    6. A woman takes her dog Rover for a walk on a leash. To get the little poco moving forward, she pulls on the leash with a force of 20.0 N at an angle of 37 degrees above the horizonta. How much force is tending to lift Rover off

You can view more similar questions or ask a new question.