A stopwatch.
15 SECONDS
100km is a distance, not a measurement of time. (kilometres)
Rain gauze measures precipitation at the given place and time.
A Stopwatch.
An electronic wristwatch will do a fine job.
A rain gauge is the instrument used to measure the amount of rainfall that has occurred over a specific period of time. It collects and measures the depth of liquid precipitation that falls over a set time interval.
That is called the reliability of the instrument. It refers to the consistency and stability of the measurements it provides over time.
an astrolobeThe instrument you are thinking of is the sextant and it was independently invented by two men at around the same time, John Hadley and Thomas Godfrey.Astrolabe
It means that, as in the case of TCP, special measures are taken to re-send information that didn't arrive the first time.It means that, as in the case of TCP, special measures are taken to re-send information that didn't arrive the first time.It means that, as in the case of TCP, special measures are taken to re-send information that didn't arrive the first time.It means that, as in the case of TCP, special measures are taken to re-send information that didn't arrive the first time.
An atomic clock - which measures the frequency with which atoms move in and out of excited states.
A thermometer measures the temperature of boiling water, while a stopwatch measures the time it takes for water to boil. These two instruments can be used together to calculate the rate at which water boils.
The traditional instrument used to measure the time of a given run is the stopwatch.