a runner completes one round of a circular track of 200m in 10 sec. find the distance and displacement covered by him in 1min20sec?
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A runner completes one round of a circular track of 200m in 10 sec
And 1 min = 60 sec
60 sec +20 sec =80 sec
80 sec × 200 m = 1 km 600 m
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