Posted by Bill Muary on Wednesday, September 29, 2010 at 11:22am.
Vector vector A has a magnitude of 6.90 units and makes an angle of 46.5° with the positive xaxis. Vector vector B also has a magnitude of 8.00 units and is directed along the negative xaxis. Using graphical methods find the following.
(a) The vector sum vector A + vector B .
Magnitude of A + B______________
Direction of A + B:_______________° counterclockwise from +xaxis
(b) The vector difference vector A  vector B .
Magnitude of A  B: ___________3 units
Direction of A  B: ___________° counterclockwise from +xaxis

physics  michael, Monday, January 24, 2011 at 11:35pm
23.2