Einstein contemplated the fate of the universe, but at the time, it was not known that the universe is expanding. He assumed that the universe was static, or constant in size with time. If the view at the time was correct and there was no Big Bang, and subsequently no expansion of the universe, what must have been true for the universe to have been static?

Steam enters a turbine at steady state at 2 mpa, 360°c with a velocity of 100 m/s. saturated vapor exits at 0.1 mpa and a velocity of 50 m/s. the elevation of the inlet is 3 m higher than at the exit. the mass flow rate of the steam is 15 kg/s, and the power developed is 7 mw. let g 9.81 m/s^2. determine: a)-the area at the inlet, in m^2 b)-the rate of heat transfer between the turbine and surroundings, in kw c)-draw a p-v diagram for this process.