piatkowskap9 piatkowskap9
  • 18-10-2022
  • Physics
contestada

Do wody o temp. 60 stopni C i masie 0,5 kg wrzucono kostkę lodu o temp. 0 stopni C i nieznanej masie. Po rozpuszczeniu się lodu w wodzie temp. wynosiła 40 stopni . Oblicz masę lodu.

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