This is our best seller for a reason. Relaxed, tailored and ultra-comfortable, you’ll love the way you look in this durable, reliable classic 100% pre-shrunk cotton (heather gray color is 90% cotton/10% polyester, light heather gray is 98% cotton/2% polyester, heather black is 50% cotton/50% polyester) | Fabric Weight: 5.0 oz (mid-weight) Tip: Buying 2 products or more at the same time will save you quite a lot on shipping fees. You can gift it for mom dad papa mommy daddy mama boyfriend girlfriend grandpa grandma grandfather grandmother husband wife family teacher Its also casual enough to wear for working out shopping running jogging hiking biking or hanging out with friends Unique design personalized design for Valentines day St Patricks day Mothers day Fathers day Birthday More info 53 oz ? pre-shrunk cotton Double-needle stitched neckline bottom hem and sleeves Quarter turned Seven-eighths inch seamless collar Shoulder-to-shoulder taping
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. The body is going to decelerate from 274 m/s to the terminal velocity of the human body which is 53 m/s. What are the maximum g-forces involved in this scenario? The average American weights 80 kg. The drag equation is: Cd = the drag coefficient which we are taking as a seated person at .75. We estimate A the area at 1.7 m^2. The density r of air is about 1.2 kg/m^3 and we have the velocity V=275 m/s. Since F=ma we can calculate the acceleration for an 80 kg body caused by the Drag which comes to a = 57853/80 which is about 723 gs. Obviously, the velocity of the jet at 275 ms or 500 knots is squared. That is the real estimate here. The drag decreases very quickly but the person is already dead. The highest g-force ever survived was an instantaneous 48.5 gs followed by 25 gs for 1.1 seconds. The lesson is, don’t jump out of a jet. The air might as well be a concrete wall.
with severe injuries. A bad car crash at 85 mph generates 30 gs. over .05 seconds. 50 gs is guaranteed instant death. Let’s assume the best case scenario for a body that stops slowly across the width of the tower without hitting any steel. The plane crumpling and the building crumpling provide a constant deceleration like a spring. Would the g-forces be fatal? Oh yes, We have: Let’s suppose the unlikely case where a body flies all the way through the building without hitting anything and out the other side. What is the maximum g’s experienced in that case?
Here is the extract from the 9/11 commission report concerning the FDRs and CVRs from AA11 and UA175 (PDF version page 456)… So the official report from the 9/11 commission states that the FDRs and CVRs from AA11 and UA175 were not found! The FBI has also repeatedly denied finding them. It is ridiculous that all four units were somehow destroyed in the crashes or the subsequent collapses. Even if they were burnt and crushed they would still have been found. What reason could the FBI and the Bush administration have to hide their recovery? If the contents had been sensitive then the FBI could have simply said that. After all, NIST has refused to release the details for their computer model of the collapse of WTC 7 because it might ‘jeopardize public safety’!
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