Answer :
Because in high school physics, all the problems you're given to deal with
involve motion in a straight line, so you never have to deal with changes in
the direction of motion. If it's OK to ignore direction, then speed and velocity
appear to be the same thing.
involve motion in a straight line, so you never have to deal with changes in
the direction of motion. If it's OK to ignore direction, then speed and velocity
appear to be the same thing.
