Odpowiedzi

2009-12-12T20:17:26+01:00
S=30s=1800s
p=8kw
w=?
P=W/t
W=P*t
W=8kw*1800s=14400kJ
1 1 1
2009-12-12T20:18:32+01:00
P= 8 kW
t= 30 min =1800 s
W= ?
---------------------------
P = W : t
W= P * t
W = 8 * 1800 [ kW * s}
W = 14 400 kWs