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The second as a unit of time measurement was first defined by the ancient Greek astronomer Hipparchus in the 2nd century BC.

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4mo ago

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Why is second used as a unit of time in all measurement systems?

because it was invented that way?


Which one is the submultiples of time?

micro second * * * * * No, that is a submultiple of a measurement unit of time - a second. Not of time itself. Time has no submultiples.


Is time categorical or measurement?

Time is also measured; the unit in SI is the second (s).


What unit of measurement is used to measure time?

The second, along with its fractions and multiples.


Which unit is commonly used in the metric and US System of units?

The unit of time ... the 'second' ... is the same in both systems of measurement.


What is the unit of measurement for a timing device?

Fundamental unit is Second.


What unit of time is smaller than a second?

The unit of time that is smaller than a second is a millisecond. A millisecond is equal to one thousandth of a second, making it a smaller unit of time measurement. It is commonly used in various fields such as computing, physics, and engineering where precise measurements of time are required.


What is the earliest unit invented by man for measurement?

Stone


Which unit is commonly used in both the metric and US System of units?

The unit of time ... the 'second' ... is the same in both systems of measurement.


How long is a zetrosecond?

A zetrosecond is a unit of plank time and is the shortest measurement of time ever. The simple answer is , a billionth of a trillionth of a second.


Define acceleration and give an appropiate corresponding unit of measurement?

Acceleration is change of velocity per time unit; the SI unit is meters per second per second, usually abbreviated as "meters per square second".


What is the relation between time and second?

A second is a unit of time used to measure intervals. Time is a broader concept that encompasses the measurement of events and the progression of past, present, and future. Seconds are a way to quantify time in a precise manner.