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lisamikichyanp8wrau
@lisamikichyanp8wrau
September 2021
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Железная заготовка, охлаждаясь от температуры 800 до 0 °С, растопила лед массой 3 кг, взятый при 0 °С. Какова масса заготовки, если тепловых потерь нет?
Дано:
t1 = 800°С
t2 = 0°С
mл = 3кг
Сж=460 дж/кг*°С
Lл=3,4*10⁵ дж/кг
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