IYPT 1995, Задачи на турнира — Задача 2. Boiling water

8th IYPT (1995)

Заглавие в източника

Sources: Školská Fyzika, 1994/1995, 3, 70—71, Rozhledy mat.-fyz. 72, 1995, 2, 102—104, Dev. Tal. in Phys., 93—94, 1995
Selected at the Preparatory Seminar in Warsaw on Oct. 13—15, 1994
Exemplary solutions for 1995 →

Условие

Some people say it is important to put a lid on the pot when you want to boil water for tea to save energy and time. Investigate this phenornenon and determine the energy and time saving.

Решение

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Оригинал в Архива: 1995.txt