Physics, 11.09.2021 14:00 NickWinston261
Một viên gạch có các kích thước 5cm, 10cm, 20cm và khối lượng 800g . Đặt viên gạch sao cho mặt của viên gạch tiếp xúc lên mặt bàn. Tính áp suất tác dụng lên mặt bàn các trường hợp có thể xảy ra?
Answers: 1
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On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
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Một viên gạch có các kích thước 5cm, 10cm, 20cm và khối lượng 800g . Đặt viên gạch sao cho mặt của v...
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