Odpowiedzi

2010-01-12T17:54:38+01:00
M = 5 kg
ck= 334 kJ/kg = 334000 J/kg
Q = ?

Q = m *ck

Q = 5 kg *334000 J/kg

Q = 1670000 J = 1,67 MJ
mega = 10^6 = 1000000