The hydrogen gas of question one passes through a pipe network and now has a static pressure of 1 atmosphere, temperature of 293 k and a mach number of 1.7. let y = 1.4. it then encounters a normal shock wave. what is the temperature, pressure and mach number downstream of the shock wave?

An electric kettle is made out of stainless steel, weighs two pounds (when empty) and is equipped with a heating element that consumes 2 kw of electricity. assuming that the water and the kettle are at the same uniform temperature at any moment of time, calculate the shortest possible time to bring 2 quarts of water from room temperature to the onset of boiling