What is the distance covered by a horse ,which runs on a circular track of radius r ? what is the displacement of this horse after completing half round
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For a full circle, the horse will cover a distance of 2πr. After completing hall round, when you see distance and displacement together as a single shape, it'll be a semicircle with the distance becoming there curved part while displacement being the straight line. Therefore displacement after half round will be the diameter which is equal to 2×r
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