A high school track coach has just purchased a new stopwatch. The stopwatch manual states that the stopwatch has an uncertainty of ±0.05 s . Runners on the track coach's team regularly clock 100 m sprints of 11.49 s to 15.01 s . At the school'slast track meet, the first-place sprinter came in at 12.04 s and the second-place sprinter came in at 12.07 s . Will thecoach's new stopwatch be helpful in timing the sprint team? Why or why not?

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