Jawabanmu

2014-04-02T17:35:04+07:00
M=  2kg
c= 4200 J/(kg k)
ΔT= 50 derajat C
Q= c x m x ΔT
= 4200 x 2 x 50
=4200 x 100
= 420.000 J
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ke kelvin kalii
lupa wit udah lama gk belajar, gk teliti
2014-04-02T17:37:32+07:00
Q= m.c.Δt
M= 2 kg
C= 4200 J/ kg k
Δt= 50 derajatC= 323 K
= 2 x 4200 x 323
= 2.713.200 J


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