Determine the speed of sound in air at (a) 300 k and (b) 800 k. Also determine the mach number of an aircraft moving in air at a velocity of 330 m/s for both cases. The gas constant of air = 0. 287 kj/kg k. The specific heat ratio of air at room temperature is 1. 4.

Iwas in a argument about a certain class grade with my teacher. it was a ‘a-’when i felt that i deserved a ‘a’. i showed him (my teacher) why i felt i derserved so. i questioned what i got wrong and showed him what i learned. i look back to that teacher with nothing but love and support because that’s the class that i actually learned the most. the moral of the story is to see where the other person is coming from and what they have done. also, when in a conflict, never attack the persons character. this will just make the argument end poorly.

May strike workers if the load swings, twists, or turns.

Its probably the possible factors tt, tt, tt,