Physics, 23.12.2019 23:31 magicallyhello
One mole of an ideal gas goes through a stirling cycle where it expands isothermally at a temperature of 400 k from a volume of 1 liter to a volume of 3 liters (process 1), goes through an isochoric (constant v) process to a temperature of 300 k (process 2), is compressed back isothermally to its initial volume (process 3) and is then brought back to its initial state isochorically (process 4). 1)what is the work done by the gas wby during one complete cycle?
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Physics, 22.06.2019 05:20
Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity
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Physics, 22.06.2019 10:00
This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !
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Physics, 22.06.2019 15:30
At 20โc, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12ร10โ6 kโ1 and23ร10โ6 kโ1 respectively.
Answers: 1
One mole of an ideal gas goes through a stirling cycle where it expands isothermally at a temperatur...
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