Jawabanmu

2014-08-20T21:47:36+07:00
Waktuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
2014-08-20T21:47:50+07:00
Waktu
Periode
Ada pula beberapa satuan yang memakai sekon seperti :
kecepatan m/s
dll
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