Ответ:
m=200г=0,2кг
T=-5
T water=20
water=4200
0,2*4200(20-5)=0,2*63000=12600J=12,6kJ
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Ответ:
m=200г=0,2кг
T=-5
T water=20
water=4200
0,2*4200(20-5)=0,2*63000=12600J=12,6kJ