Please help with my physics homework
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Physics, 22.06.2019 11:00
Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
Answers: 2
Physics, 22.06.2019 18:50
8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.
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Physics, 22.06.2019 19:30
Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match
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Mathematics, 28.01.2020 22:54
Mathematics, 28.01.2020 22:54
History, 28.01.2020 22:54
English, 28.01.2020 22:54
Mathematics, 28.01.2020 22:54
Physics, 28.01.2020 22:54
Mathematics, 28.01.2020 22:54
History, 28.01.2020 22:54
English, 28.01.2020 22:54
English, 28.01.2020 22:54
Mathematics, 28.01.2020 22:54
Mathematics, 28.01.2020 22:54