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In 1km races ,runner 1 on track 1(with time 2 min,27.95 sec) appears to be faster than runner 2 on track 2(2min,28.15 sec). However ,length L2 of track! 2 might be slightly greater than L1 of track 1. How large can L2-L1 be for us still to conclude that runner 1 is faster?dl

In 1km races ,runner 1 on track 1(with time 2 min,27.95 sec) appears to be faster than runner 2 on track 2(2min,28.15 sec). However ,length L2 of track! 2 might be slightly greater than L1 of track 1. How large can L2-L1 be for us still to conclude that runner 1 is faster?dl

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