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ΔT = 50 derajat
Ditanya = Q..?
Jawab =
Q = m.c.ΔT
Q = 2.4200.50 = 420 000 J atau 420 kJoule
ΔT = 50°C
c = 4200 J/kgK
Q = mcΔT
= 2 x 4200 x 50
= 420000 J
= 420 kJ