A student walks 50 m east, then 20 m west. What is the displacement?, 30 m east, 30 m west, 70 m, 90m , Which statement best describes distance?, A. The total path length traveled, regardless of direction, B. The straight-line path from start to finish, Always measured with a direction, none of the above , A runner completes one lap around a circular track and ends at the starting point. What is the displacement?, Equal to the total distance run, zero , Equal to half the distance around the track, none .

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