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What is the use of a stopwatch?

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05/16/2016

The primary use of a stopwatch is to time the duration of an event. Example: how many minutes/seconds does it take for a runner to race one mile -- "start" the stopwatch when the starting gun fires, then click "stop" as the runner crosses the finish line.

You can try a stopwatch yourself on-line to get a sense of how it works and give you ideas of what you might be able to use it for. Just Google "on line stopwatch" you should get several options.