Question

What is time? How is one second time defined in the SI system?

Answer 1

Answer:

Assumed content in which spended quit is explained is called time.

Explanation:

1 sec = 3.99768emh of earth

Answer 2

The second (abbreviation, s or sec) is the Standard International ( SI ) unit of time. One second is the time that elapses during 9,192,631,770 (9.192631770 x 10 9 ) cycles of the radiation produced by the transition between two levels of the cesium 133 atom. ... One second is equal to 1/86,400 of a mean solar day.