its meaning and the experimentations they made to come up with its current measurements.
2006-07-01 22:13:43 · 3 answers · asked by Thata Ann 1 in Education & Reference ➔ Higher Education (University +)
Second is with 1000 grams on a metr cord.
1000 grams is 1 liter of water.
Meter was just like. "I think this is a meter, OK?" "Sure."
http://en.wikipedia.org/wiki/SI <---Check this
2006-07-01 22:18:53 · answer #1 · answered by Puppy Zwolle 7 · 0⤊ 0⤋
The metre is defined as equal to the length of the path travelled by light in absolute vacuum during a time interval of 1/299,792,458 of a second.
The gram:- Originally defined as the mass of 1 cubic centimeter of water at 4°C.
The second is the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom. This definition refers to a caesium atom at rest at a temperature of 0 K.
2006-07-02 05:51:50 · answer #2 · answered by Nirbhaya 2 · 0⤊ 0⤋
they just took a measure of it and made it the standard and all the other countries follow it to this day...
2006-07-02 05:19:58 · answer #3 · answered by Teen-sensible! 2 · 0⤊ 0⤋