Posted by **Manuel** on Monday, September 7, 2009 at 8:27pm.

Vector A has a magnitude of 48 cm and is directed toward the East. Vector B has a magnitude of 21 cm and is directed toward the West. Find the resultant vector with direction. Help please!!!!

- Physics -
**MathMate**, Monday, September 7, 2009 at 9:58pm
For your next question on vectors, you will have to brief us as to what you have learned. To combine two vectors, you could use graphical methods or summing components of vectors.

In this particular case, since the two vectors happen to be directed opposite to each other, we only have to use scalar addition, with the positive sign towards east, and negative towards West.

Thus the resultant is

̅A+̅B

=+48-21 cm towards East

=27 cm towards East.

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