Recent content by DoctorMathU

  1. DoctorMathU

    Vectors A and B are in the xy plane

    The relevant equation for the angle between A and B is cos(x)= a⋅b devided by ||a|| *||b||
  2. DoctorMathU

    Vectors A and B are in the xy plane

    Okay, I only know for A.
  3. DoctorMathU

    Vectors A and B are in the xy plane

    Homework Statement Vectors A and B are in the xy plane and their scalar product is 20.0 units. If Amakes a 27.4° angle with the x-axis and has magnitude A=12.0 units and B has magnitude B= 24.0 units, what can you say about the direction of B? Answer: 113.4° and 301.4°The Attempt at a Solution...