A vector has components Ax = 3, Ay = 4. The angle it makes with the positive x-axis is:

  1. 143.1^circ
  2. 53.13^circ
  3. 233.1^circ
  4. 36.87^circ
Answer

B) 53.13^circ

tantheta = AyAx; with the signs of the components the vector is in the correct quadrant, so theta = 53.13^circ. SLO P-11-B-01 · Understanding

Physics MCQ · More Vectors MCQs · Practise