Geometry

posted by .

What is the magnitude and direction of the PQ−→− with tail and head points P(-6, 0) and Q(2, 4)?

Select one:
a. 8.9 units, 26.6° north of east
b. 8.9 units, 63.4° north of east
c. 13.4 units, 0° east

  • Geometry -

    Nevermind it is A

  • Geometry -

    right 8 and up 4

    magnitude = sqrt (64+16)= sqrt (4^2* 4 + 4^2) = 4 sqrt 5= 8.9

    tan angle n of e = 1/2
    so angle n of e = 26.6

  • Geometry -

    vector PQ = (2-(-6), 4-0) = (8,4)
    magnitude = √(64+16) = √80 = appr 8.9 , ruling out c.

    angle = tan^-1 (4/8) = 26.57° from the x-axis
    what angle description describes that ?

Respond to this Question

First Name

School Subject

Your Answer

Similar Questions

  1. Physics-Mechaincs

    A 1.3 kg mass accelerates at 5.8 m/s2 in a direction 36◦ north of east. One of the two forces acting on the mass has a magnitude of 17.3 N and is directed north. Determine the magnitude of the second force. Answer in units of …
  2. physics

    A girl delivering newspapers travels 2 blocks west, 10 blocks north, then 4 blocks east. What is the magnitude of her resultant dis- placement?
  3. Physics

    Vector A has magnitude of 9.77 units and points due east. Vector B points due north. 1) What is magnitude of B, if the vector A+B points 34.7 north of east?
  4. physics

    If A = 4 units north, B = 4 units east, and C = 6 units northeast (45o east of north), click on the figure to find A + B + C. Construct the figure.
  5. Physics -URGENT-

    A 2 kg mass accelerates at 5.7 m/s 2 in a direction 19◦ north of east. One of the two forces acting on the mass has a magnitude of 17.1 N and is directed north. Determine the magnitude of the second force. Answer in units of …
  6. Geometry

    A boat left dock A, traveled north for 10 miles, then 45 East of north for 20 miles and docked at B. A.How far north did the boat travel?
  7. Physics

    A girl delivering newspapers travels 3 blocks west, 8 blocks north, then 5 blocks east. 1) What is the magnitude of her resultant displacement?
  8. Physics

    Tammy leaves the office, drives 51 km due north, then turns onto a second highway and continues in a direction of 31◦ north of east for 82 km. What is her total displacement from the office?
  9. Physics

    A - A girl delivering newspapers covers her route by traveling 4 blocks west, 2 blocks north, then 6 blocks east. What is her resultant displacement?
  10. Physics

    A girl delivering newspapers travels 1 blocks west, 2 blocks north, then 4 blocks east. What is the magnitude of her resultant dis- placement?

More Similar Questions