Physics
Physics, 20.06.2021 17:30, NeNe323

Một khối khí lí tưởng chứa trong một xilanh có pít-tông chuyển động được. Lúc đầu khối khí có thể tích 20 dm^3, áp suất 2.10^5 Pa. Khối khí được làm lạnh đẳng áp cho đến khi thể tích còn 16 dm^3. Tính công mà khối khi thực hiện được

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Một khối khí lí tưởng chứa trong một xilanh có pít-tông chuyển động được. Lúc đầu khối khí có thể tí...

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