Jawabanmu

2014-06-08T21:34:49+07:00
M = 50gr = 0,05 kg
c = 4200 J/kgC
ΔT= 100 C

W = Q = mcΔT = 0,05 x 4200 x 100 = 21.000 J
3 3 3
2014-06-08T21:35:28+07:00
C x m x KENAIKAN SUHU =
4200 X 50 X 100
= 21000000 J
2 2 2