A una tobera adiabática entra dióxido de carbono de una manera estacionaria a 1 Mpa y 500 0C, a una tasa de flujo  másico de 6000 kg/h y sale a 100 kPa  y 450 m/s . El área de entrada a la tobera es de 40 cm2
Determine
1.-  La velocidad de
entrada   
2.-  la temperatura de salida.

Which of the following describe possible scenarios? a) an object has zero instantaneous velocity and non-zero acceleration. b) an object has negative acceleration and is speeding up. c) an object has positive acceleration and constant velocity. d) an object has positive velocity and zero acceleration. e) an object has increasing positive position and negative velocity. f) an object has decreasing positive position and negative acceleration.