Question

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

Answer 1

Explanation:

2min20sec means 140sec means the athlete can complete

40

140

=3.5 round.

So distance=3.5×πd=3.5×3.14×200m=2198meter

Displacement will be just diameter, d=200m

after completing third round it will be at the opposite end of a diameter when complete half more round.

Answer 2

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