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P = 300 w
t = 10 min = 600 s
dit : W
jawab :
P = W / t
W = P X t = 300 W X 600 s = 180.000 joule
waktu menyetrika (t) : 10 mnt = 600 sekon
energi yg digunakan setrika..... (w)
w : p x t
w : 300 x 600
w : 180.000 watt
w : 180 kw
insy itu jawabannya...