Posted by **benjamin** on Friday, August 28, 2009 at 3:14pm.

Vector A has a magnitude of 8.00 units and makes an angle of 45.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods, find (a) the vector sum A + B and (b) the vector difference A – B.

Could someone please show me how this problem is done, maybe even with a graph somehow? Thanks

- physics -
**bobpursley**, Friday, August 28, 2009 at 5:09pm
Vectors are directed. When the problem says " is directed along the negative x axis" IT DOES NOT MEAN that. It means the vector is in the same direction as the negative x axis.

Draw from the origin the A vector. At its tip,put a little arrow head. Now, in the DIRECTION of the negative x axis, from the tip of A, draw B.

A+B will then be the vector from the origin to the tip of B.

Now for A-B. From the tip of A, draw B but in the direction of +x axis. From the origin to the tip of that reversed B is A-B.

- physics -
**MathMate**, Friday, August 28, 2009 at 5:33pm
See

http://i263.photobucket.com/albums/ii157/mathmate/VECTORS.jpg

- physics -
**Anonymous**, Saturday, August 3, 2013 at 4:33am
vecter a has a magnitude of 8.00 uints and makes an angle of 45.0with the positive x-axis?

## Answer This Question

## Related Questions

- physics - Vector vector A has a magnitude of 6.90 units and makes an angle of 46...
- Physics - Vector has a magnitude of 8.10 units and makes an angle of 52.0° with...
- AP physics - Vector A has a magnitude of 8.00 units and makes an angle of 45.0° ...
- physics - Vector has a magnitude of 8.80 units and makes an angle of 43.0° ...
- science - vector A has a magnitude of 12 units and makes an angle of 30 with the...
- Physics - 1) The vector sum of three vectors gives a resultant equal to zero. ...
- Physics - Vector A is directed along the positive y-axis and has magnitude sqrt ...
- Physics - Vector A is directed along the positive y-axis and has a magnitude of ...
- Science - 1) The vector sum of three vectors gives a resultant equal to zero. ...
- Physics - A vector has magnitude 58.0 units and is inclined to the positive axis...

More Related Questions