Physics, 26.12.2020 06:50 BLASIANNkidd
Why is the finger removed first, and the charged body later?
Answers: 1
Physics, 21.06.2019 15:30, fatback7063
Aflower pot weighing 3 newtons is sitting on a windowsill 30 meters from the ground is the energy of the flower pot potential or kinetic? how many joules is this
Answers: 1
Physics, 21.06.2019 17:10, emilylunaa
What is the radius of the circular path ofa charged particle in a magnetic field?
Answers: 1
Physics, 22.06.2019 03:30, zahradawkins2007
As part of an industrial process, air as an ideal gas at 10 bar, 400k expands at steady state through a valve to a pressure of 4 bar. the mass flow rate of air is 0.5 kg/s. the air then passes through a heat exchanger where it is cooled to a temperature of 295k with negligible change in pressure. the valve can be modeled as a throttling process, and kinetic and potential energy effects can be neglected. (a) for a control volume enclosing the valve and heat exchanger and enough of the local surroundings that the heat transfer occurs at the ambient temperature of 295 k, determine the rate of entropy production, in kw/k. (b) if the expansion valve were replaced by an adiabatic turbine operating isentropically, what would be the entropy production? compare the results of parts (a) and (b) and discuss.
Answers: 3
Physics, 22.06.2019 07:00, lilpeepxliltracy
Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?
Answers: 1
Why is the finger removed first, and the charged body later?...
Mathematics, 13.12.2019 05:31
Mathematics, 13.12.2019 05:31
Mathematics, 13.12.2019 05:31
Mathematics, 13.12.2019 05:31