Q=cm∆t
m=Q:c*∆t=1500дж:(130Дж:кг*°С*20)≈0,57кг
Ответ:0,57
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Q=cm∆t
m=Q:c*∆t=1500дж:(130Дж:кг*°С*20)≈0,57кг
Ответ:0,57