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KashmiriRodri:
displacement is 200 m
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Ans: Time taken = 2 min 20 sec = 140 sec. Radius, r = 100 m. InTime to complete one round = 40 sec So, Round completed in 140 sec = 140 ÷ 40 = 3.5 (three and a half) round. Or, distance covered = 2 x 22/7 x 100 x 3.5 = 2200 m. At the end, the athlete cavers half round and will be at a distance = diameter of circle. ie displacement = 200m
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distance traveled will be 2200 m
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