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What kind of visible-light and infrared telescopes on the ground are astronomers planning for the future? why are they building them on the ground and not in space?
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2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.
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Physics, 22.06.2019 16:00
In which of the following is positive work done by a person on a suitcase
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What kind of visible-light and infrared telescopes on the ground are astronomers planning for the fu...
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