A vector has components Ax = 4, Ay = -4. The angle it makes with the positive x-axis is:

  1. 45^circ
  2. 315^circ
  3. 331^circ
  4. 135^circ
Answer

B) 315^circ

tantheta = AyAx; with the signs of the components the vector is in the correct quadrant, so theta = 315^circ. SLO P-11-B-01 · Understanding

Physics MCQ · More Vectors MCQs · Practise