Question

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Answer 1

Answer:

The athlete will cover a distance of 2*π*R in 40 seconds while his displacement would be zero at that time. Similarly in 80 seconds, the distance covered would be 2*2*π*R and the displacement would be zero at that time. Therefore, in 140 seconds, the athlete will cover the distance of 140/40=3.5 times 2*π*R=7πR.

Explanation:

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