piatkowskap9 piatkowskap9

18-10-2022
Physics

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Do wody o temperaturze 60 stopni C i masie 250g dodano nieznaną ilość wody o temperaturze wrzenia. Temperatura zmieszanych mas wody po równowadze termodynamicznej wyniosła 80 stopni C. Oblicz masę dodanej wody.

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