Question

What is the range of ERFOFST?

1) +/- 5 seconds
2) +/- 10 seconds
3) +/- 15 seconds
4) +/- 20 seconds

Answer 1

The range of the stopwatch's uncertainty is ±0.05 seconds, which is not listed in the options provided. The correct range is much smaller than all the listed options.

Step-by-step explanation:

The range of uncertainty for the stopwatch mentioned in the question is ±0.05 seconds. This information can be found in the provided text pointing out that the stopwatch manual states this uncertainty. Therefore, option 1) ± 5 seconds, option 2) ± 10 seconds, option 3) ± 15 seconds, and option 4) ± 20 seconds are incorrect. The correct range is not listed among the options, but based on the information given, the uncertainty of the stopwatch is only ±0.05 seconds, which would be much smaller than any of the options provided. Understanding the range of uncertainty is crucial when measuring time-sensitive performances such as sprints, as it helps in assessing the precision of the timing device.