Determine the critical pressure and temperature ratios for

Question

1. Determine the critical pressure and temperature ratios for

(a) air,

(b) carbon dioxide,

(c) helium.

2. Determine the static pressure to stagnation pressure ratio associated with the following motion in standard air:

(a) a runner moving at the rate of 10 mph,

(b) a cyclist moving at the rate of 40 mph,

(c) a car moving at the rate of 65 mph,

(d) an airplane moving at the rate of 500 mph.