Jawabanmu

2014-05-08T21:35:23+07:00
Q4 = m x u
Q4 = 0,5 x 2.260.000 = 1.130.000 joule atau 1.130 kj
2014-05-08T21:36:28+07:00
Q=m.U
   = 0,5 . 2260000
   = 1130000 J
   =1130 kj