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Q = m * cw *Δt
a) 2 kg stali o 100C
Q = 2 kg * 460 J/kg * C * 100 C = 92000 J = 92 kJ
b) 35 kg stali 0 12C
Q = 35 kg * 460 J/kg * C * 12 C = 193200 J =193,2 kJ
c) 15 kg stali o 30 C
Q = 15 kg *460 J/kg * C * 30 C = 193500 = 193,5 kJ
d) 1,5 kg stali o 90C
Q = 1,5 kg * 460 J/kg * C * 90 C = 62100 J = 62,2 kJ