question_answer

The magnitude of vector \[\vec{A}\] is 2.5 metre and is directed towards east. What will be the magnitudes and directions of the following : (a) \[-\vec{A}\]   (b) \[\vec{A}/2\] (c) \[2.5\vec{A}\]   (d) \[4\vec{A}\]?

Answer:

                (a) \[~\text{2}.\text{5 m}\] due west.  (b) \[\text{1}.\text{25}\]due east. (c) \[\text{6}.\text{25 m}\] due west.    (d) \[~\text{1}0\text{ m}\] due east.