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Physics, 22.07.2021 16:00 silviamgarcia
Người ta truyền cho khí trong xi lanh một nhiệt lượng 200J. Khí nở ra và thực hiện công 140J đẩy pit-tông lên. Tính độ biến thiên nội năng của khí.
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Người ta truyền cho khí trong xi lanh một nhiệt lượng 200J. Khí nở ra và thực hiện công 140J đẩy pit...
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