A stopwatch is a timekeeping device used to measure the duration of an event. The least count of a mechanical stopwatch typically used in laboratories is 0.1 seconds, meaning it can measure time intervals in increments of 0.1 seconds.
to measure time
Start stopwatches online via the "start" button or the space bar on your keyboard, the space bar also allows you to stop or restart the timer. It is used to easily measure a lapse of time; this multi timer stopwatch has a pause / resume function and time backup.
used for something about time
It depends on the stopwatch.
I'll need a stopwatch.
You could use a stopwatch.
A wristwatch is worn on the wrist and tells the current time. A stopwatch is held in the hand, and is used to time the duration of an event. A wristwatch is always running, telling the time. A stopwatch is started and then stopped.
No. A stopwatch measures time.
i think a stop watch measurese speed or time????
He used a stopwatch to time the race.
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