Answers: 2
Physics, 22.06.2019 08:30
A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if itโs pressure is changed to 8.4 kpa while its temperature remains constant.
Answers: 3
Physics, 22.06.2019 18:00
Air enters a gas turbine with two stages of compression and two stages of expansion at 100 kpa and 17ยฐc. this system uses a regenerator as well as reheating and intercooling โ the intercooler returns the air to the inlet temperature. the pressure ratio across each compressor is 4 ; 300 kj/kg of heat are added to the air in each combustion chamber; and the regenerator operates perfectly while increasing the temperature of the cold air by 20ยฐc. determine the systemโs thermal efficiency. assume isentropic operations for all compressor and the turbine stages and use constant specific heats at room temperature. (0.378)
Answers: 3
Physics, 22.06.2019 21:20
An electron is ejected into a horizontal uniform eโ field at a parallel horizontal velocity of v0. assume the electron's initial position x0, initial velocity v0, time t, magnitude of electric field e, electron's mass m, and the magnitude of the electron's charge |e|. ignore the force that earth exerts on the electron. assume the eโ field is in the same direction as the initial velocity. part a define the equation for the electron's velocity. express your answer in terms of the variables v0, |e|, t, e, and m.
Answers: 3
Physics, 22.06.2019 22:50
Which of the following statements correctly describes a transformer?
Answers: 3
true or false when taking a handoff you need to make sure you you reach out with your hands and grab...
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