Question

an athlete completes one round of circular track of diameter 200m in 40s. what will be the distance covered and the displacement at the end of 2minutes 20s

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Answer 1

Answer:

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Explanation:

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Answer 2

Explanation:

Given,

Diameter=200m

radius=200/2= 100m

Athlete complete one round in 40 sec

Distance covered=Circumference of circle

distance covered in 40sec=2πr

= 2×3.14×100

= 628m

Distance in one sec = 15.7 m

In 2 min 20sec = 140sec

= 15.7×140

= 2198 m