posted by Anonymous .
two vectors x1 = (20 m) x and x2 (15 m) x, compute and show graphically (a) x1 + x2, (b) x1-x2 and (c) x2-x1
What is your subject?
"x1 = (20 m) x and x2 (15 m) x"
Does that mean they are both on the x axis?