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2 March, 09:52

Why can velocity and speed be interchanged in the formulas

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Answers (1)
  1. 2 March, 10:02
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    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.
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