Ab athlete completes one round of a circular track of diameter 200 m in 40s. What will be the displacement at the end of 2 min 20s?
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2min 20sec= 140sec
2rounds can be completed in 120 sec so zero displacement up-to 120 sec
in next 20 sec, It will cover half the circumference I. e pie * R = 3.14* 100= 314m
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