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Physics, 21.06.2019 19:00
What is work? how much work is done to move an object 0 meters?
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Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
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Physics, 22.06.2019 12:30
Write a full page that sumerizes thermodynamics it’s from the website visionlearnig
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Which element has smallest atomic size?...
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