An athlete run a circular track of diameter 2.5km with a speed of 50m/ – InterviewSolution

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1.	An athlete run a circular track of diameter 2.5km with a speed of 50m/min.How much time he will take to complete 8.5 rounds of the circular track.
Answer» for COMPLETING 8.5 round he will take approx 22.2s (your ANSWER may vary from 22.1s to 22.2s )EXPLANATION:diameter of the circular track=2.5kmtherefore radius of the track =2.5/2=1.25km SPEED of the athlete= 50m/min=3km/hrdistance covered in 1 round= 2πr= 7.85kmtime taken to compete 1 round = dist./speed=2.61stherefore time taken to COMPLETE 8.5 round=8.5×2πr/3=22.2s

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