Test: Vectors Multiple Choice Questions 1.The components of vector Aare given as follows: Ax = 9.2 Ay = 7.8 What is the magnitude of the vector? 2.The components of vector Aare given as follows: Ax =12.4 Ay = -15.2 What is the angle between vector Aand positive direction of x - axis? 3.The components of vectors Aand Bare given as follows: Ax = 7.5 Bx = 5.6 Ay = -6.4 By = 8.5 What is the magnitude of vector sum A+ B 4.The magnitude of vector A is 18.5 Vector lies in the fourth quadrant and forms an angle of 55 with the x-axis. What are the components of vector A ?