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How to mesure a millisecond


tylerbrowner
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I know that i could buy a stop watch that had milliseconds and i know that you could divied a seconed by 1000 but i really want to know how you can tell how long a milliseconed is not in reference to smaller units of time but physicly

 

There is a standard definition of the second (in terms of physical effects). The millisecond is just one thousandth of that.

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I know a falling object falls at 9.8m/s for the first second, So you could drop an object from this height against a measured background, Perhaps video it or have a camera that takes so many shots per second, you could work out and see how far the object falls in a millisecond,

I will leave that for someone good at maths :)

a20fig10.jpg

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