Distance and displacement are the measurements of the object and are scalar and vector quantity, respectively. The distance at the track meet is 400 m while displacement is zero.
Distance is said to be the magnitude that the object covers from one point or position to another. It is considered as the total path traveled or completed by the object.
On the other hand, displacement (s) is seen as the overall change in position of the object with respect to its initial point and is a vector quantity that tells about the distance between the two points.
The distance covered at the track meet in one lap is 400 m as the length of the track is 400 m and the runner started from 0 m to 400 m. But the displacement will be,
s = sf – si
= 400 - 400
= 0
Therefore, the distance is 400 m, and the displacement is zero.
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