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Physics, 21.06.2019 20:30
What property is a characteristic of a substance that can be observed and does not change the identity of the substance
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Physics, 21.06.2019 22:00
Explain what makes a passenger in a turning car slide toward the door. critical thinking
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Physics, 22.06.2019 10:30
Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.
Answers: 2
Physics, 22.06.2019 11:30
You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
Answers: 2
How is an ion different from its parent atom...
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