The gas entering a rocket nozzle has a stagnation pressure of 1500 kpa and a stagnation temperature of 3000 °c. the rocket is traveling in the still standard atmosphere at 30,000 m. find the throat and exit area for a flow rate of 10 kg/s. assume k = 1.35, r = 287.0 n ∙ m/kg ∙ k. the gas is perfectly, expanded to the ambient pressure.

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

How can waves travel through ground?