1. Sep 11, 2004

tinhnho

Last edited: Sep 11, 2004
2. Sep 11, 2004

HallsofIvy

Staff Emeritus
In calculating OA, you established that the positive x-axis was east and the positive y-axis is north. That means that any movement to the west or south is negative.

3. Sep 11, 2004

tinhnho

i dont get it ,can you explain which one i did wrong ?thanks

4. Sep 12, 2004

tinhnho

Last edited: Sep 12, 2004