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With a stop watch or a clock. If you're asking how do we determine what a second is (In the SI- International system of units), then that is determined by the oscillation of a Cesium Atom's Microwave. No matter what the conditions, the cesium atom's full oscillation will always equal one second. No matter where in the world. Really neat phenomenon.

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Q: How do you measure one second?
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How many inches are in one second?

An inch is a measure of distance. A second is a measure of time. The question therefore is not valid.


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your heart beats one time a second


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Measure one part, then measure the second part. Add the two measurements together and you have the answer


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You cannot. Metres per second is a measure of speed whereas minutes is a measure of time. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.You cannot. Metres per second is a measure of speed whereas minutes is a measure of time. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.You cannot. Metres per second is a measure of speed whereas minutes is a measure of time. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.You cannot. Metres per second is a measure of speed whereas minutes is a measure of time. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.


What Is a measure of how many wavelengths pass a certain point each second.?

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A second is a measure of a time interval that has no relevance to an area measurement.


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