Jawabanmu

2014-03-25T19:31:32+07:00
t= \frac{Q}{m.c}  \\  \\ = \frac{2250}{0,5.900}  \\  \\ = \frac{2250}{450} \\  \\ =5

Suhu akhir=25+5
               =30 drjt celcius
2014-03-25T20:24:32+07:00
Suhu akhir = 25 + 5
                = 30°C