Jawabanmu

2014-03-17T14:55:49+07:00
Daya = w/t = F.s/ t = (200. 600) / 1200 = 100 watt
1 5 1
2014-03-17T15:01:29+07:00
P = W/t
P = F.s/t
P = 200.600/1200(1200 hasil dari 20 menit dikali 60)
P = 120000/1200
P = 100 watt