Physics

1. Vector B =(52.8)x + (-47.5)y. What is the magnitude of B?

2. Vector B=(52.8)x + (47.5)y. What is the direction of B in radians counter clockwise from the positive x axis?


1. sqrt [(52.8)^2 + (-47.5)^2] = 71.0

2. tan^-1 (47.5/52.8) = 42.0 degrees

  1. 👍 0
  2. 👎 0
  3. 👁 55

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    partscoretotalsubmissions1--10/12--10/13--10/14--10/1----4--The tail of a vector is fixed to the origin of an x, y axis system. Originally the vector points along the +x axis. As time passes, the vector rotates counterclockwise.

    asked by Panda on May 7, 2007
  2. calculus

    State whether or not the following statements are true. Justify your reasoning.? a. Vector a • (Vector b + Vector c) = Vector a • Vector b + Vector a • Vector c b. Vector a × (Vector b + Vector c) = Vector a × Vector b +

    asked by anon on February 23, 2015
  3. Physics

    Which of the following is an accurate statement? a) a vector cannot have zero magnitude if one of its components is not zero b) the magnitude of a vector can be less than the magnitude of one of its componenets c) if the magnitude

    asked by Tammy on September 19, 2007
  4. Physics

    Let vector A = 4i^ + 4j^, vector B = -2i^ - 5j^, and vector F = vector A - 5(vector B). a) Write vector F in component form. vector F = ? b) What is the magnitude of vector F? F = ? c) What is the direction of vector F? theta = ?

    asked by Sara on October 8, 2011
  5. Physics

    Let vector A = 4i^ + 4j^, vector B = -2i^ - 5j^, and vector F = vector A - 5(vector B). a) Write vector F in component form. vector F = ? b) What is the magnitude of vector F? F = ? c) What is the direction of vector F? theta = ?

    asked by Sara on October 10, 2011
  6. Physics

    4. Which of the following is an accurate statement about vectors? A. Rotating a vector about an axis passing through the tip of the vector does not change the vector(definitely not right) B. The magnitude of a vector can be zero

    asked by Babygirl on September 13, 2018
  7. physics

    Vector vector A has a magnitude of 6.90 units and makes an angle of 46.5° with the positive x-axis. Vector vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods find the

    asked by Bill Muary on September 29, 2010
  8. 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

    asked by Ted on February 5, 2013
  9. 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

    asked by Ted on February 5, 2013
  10. Physics

    When two vectors vector A and vector B are drawn from a common point, the angle between them is phi. If vector A and vector B have the same magnitude, for which value of phi will their vector sum have the same magnitude as vector

    asked by Ami on August 26, 2010
  11. Physics

    The tail of a vector is fixed to the origin of an x, y axis system. Originally the vector points along the +x axis. As time passes, the vector rotates counterclockwise. Describe how the sizes of the x and y components of the

    asked by Panda on May 7, 2007

More Similar Questions