Question

An athlete complete on round of a circumference track of diameter 200m in 30 seconds

Answer 1

Answer: speed = 20.93 m/s

Explanation:

Diameter = 200m

Radius = 100m

Distance covered = 2πr

= 2 x 3.14 x 100

= 628 m

Time taken = 30s

Speed = distance / time

= 628 / 30

= 20.93 m/s

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