an athlete completes one round of a circular track of diameter 200m in 40 seconds what will be the displacement at the end of 2 minute and 20 seconds
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Answer:
An athlete complete one round of the circular track in 40 sec.
He cover a distance in one round-:
=2πr=2×π×200/2
=200πm.
In 2 min 20 sec it cover=140 sec.
no. of round = 140/40 = 3.5 round.
Total distance covered by athelete in 3.5 round -:
3.5 × 200 × 22/7 = 2200m
Explanation:
Total distance= 2200m
total displacement = 200m
Thank you...
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