An athlete completes a round on circular track of diameter 200m in 40 sec. Calculate(a)the distance travelled by the athlete (b)the magnitude of the displacement of the athlete at the end of the 2minutes and 20 sec
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An athlete completes a round on circular track of diameter 200m in 40 sec. Calculate(a)the distance travelled by the athlete (b)the magnitude of the displacement of the athlete at the end of the 2minutes and 20 sec
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Answer:
(a) distance travelled =2×pie×r/t = 2×22/7×100/40=15.71m
(b) after 2 minutes 20 seconds he completes half round therefore displacement = 100m