Physics

The two vectors a and b have equal magnitudes(on an x-y plane vector a is 30 degrees from the x axis then vector b is 75 degrees from the head of vector a it is heading towards north west) of 10m

A)find the x component of their vector sum r
B)find the y component of their vector sum r
C)The magnitude of r
D) the angle r makes with the positive diretion of the x axis.

the book said that the answers should be:
A)-1.59m
B)12.1m
C)12.2m
D)82.5 degrees
Can you help me? I don;t get how you get these answers


Your description of directions begs for amplification. I recommend you change both vectors to x,y coordinates.

  1. 👍 0
  2. 👎 0
  3. 👁 95
asked by Jamie

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    2. We have two vectors that line in the x-y plane. If we take the cross-product of those two vectors we know that a. the magnitude of the cross-product will always be equal to the product of the magnitudes of the two vectors. b.

    asked by Sarah on December 27, 2011
  2. Physics

    1. Consider the two vectors P and Q. The definition of P is P = 􀀃i × (􀀃i × 􀀃j). The definition of Q is Q = (􀀃i × 􀀃i) × 􀀃j . a. The magnitude of P is equal to the magnitude of Q. b. The magnitude of P is

    asked by Sarah on December 27, 2011
  3. physical science

    The resultant vector of two particular displacement vectors dose not equal the sum of the magnitudes of the individual vectors. Describe the directions of the two vectors.

    asked by Becky on May 2, 2011
  4. 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
  5. physics

    Vector has a magnitude of 136 units and points 35.0 ° north of west. Vector points 69.0 ° east of north. Vector points 19.0 ° west of south. These three vectors add to give a resultant vector that is zero. Using components,

    asked by Joe on August 26, 2014
  6. Math - Equations of plane(check)

    Consider the plane that contains points A(2,3,1), B(-11,1,2), C(-7,-3,-6). a) Find two vectors that are parallel to the plane. Ans: AC, BC or AB will be parallel to the plane. b) Find two vectors that are perpendicular to the

    asked by Shaila on September 4, 2010
  7. Math - Equations of plane(check)

    Consider the plane that contains points A(2,3,1), B(-11,1,2), C(-7,-3,-6). a) Find two vectors that are parallel to the plane. Ans: AC, BC or AB will be parallel to the plane. b) Find two vectors that are perpendicular to the

    asked by Shaila on September 6, 2010
  8. physics

    Two vectors have magnitudes V1 = 1.5 km and V2 = 4.5 km. What are the maximum and minimum magnitudes of their vector sum?

    asked by Anonymous on September 21, 2009
  9. physics

    Suppose vector A=3i-2j, B= -i-4j and vector C are three vectors in xy plane with the property that vectors A+B-C. What is the unit vector along vector C?

    asked by Abdela said yimer on January 28, 2012
  10. physics

    Consider two vectors ~ A and ~ B and their re- sultant ~ A + ~ B . The magnitudes of the vectors ~ A and ~ B are, respectively, 13 . 2 and 6 . 1 and they act at 110 ◦ to each other.Find the magnitude of the resultant vector ~ A

    asked by allan on January 19, 2015

More Similar Questions