Physics, 09.11.2021 19:40 lilday8230
Một ôtô đang đi trên đoạn đường cong bán kính 250m với tốc độ 4m/s. Vận tốc góc của ôtô là bao nhiêu?
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9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.
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Physics, 22.06.2019 14:50
Nitrogen (n2) undergoes an internally reversible process from 6 bar, 247°c during which pν1.2 = constant. the initial volume is 0.1 m3 and the work for the process is 121.14 kj. assuming ideal gas behavior, and neglecting kinetic and potential energy effects, determine heat transfer, in kj, and the entropy change, in kj/s. show the process on a t-s diagram.
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The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db
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Một ôtô đang đi trên đoạn đường cong bán kính 250m với tốc độ 4m/s. Vận tốc góc của ôtô là bao nhiêu...
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