i am not posting any of my answers....incase they are wrong...cuz tht will make me more depressed....i sucked in this paper.....i got the diode thing as A too tho....i got most of my answers like u guys except for tht fraction and the mass of air half of first question and the rest i am not sure lol.....anyways if the thresholds arnt low then i am drowning myslef.......and the direction is 300 By the way.....hope u guys did well and the threshold are reallly low......and yeah the parachute opened at B....the diode has to be A ...plz let it be A...plz God....lol...