IYPT 2010, Задачи на турнира — Задача 7. Two flasks

IYPT 2010 in Vienna, Austria

Условие

Two similar flasks (one is empty, one contains water) are each connected by flexible pipes to a lower water reservoir. The flasks are heated to 100°C and this temperature is held for some time. Heating is stopped and as the flasks cool down, water is drawn up the tubes. Investigate and describe in which tube the water goes up faster and in which the final height is greater. How does this effect depend on the time of heating?

Решение

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Оригинал в Архива: 2010.pdf