A Friend asked if He Jumps from a boeing 747 at its highest altitude. Will He survive and walk?

First of all, there is a chance that your friend would die from lack of oxygen before he hit the ground. Jumbo jets fly at an altitude of 30-35,000 feet, which is well beyond the altitude where oxygen tanks are necessary. However, it is possible to survive this for short periods, though brain damage is also a possibility. The world record highest skydive was much higher than this, but the guy was wearing a pressure suit.

Once your friend is in thicker air and can breathe normally, he will still be falling at terminal velocity. If he is spread-eagled like a normal skydiver this is about 120 mph, but if he is going down head-first in a "diving" pose he can go much faster - possibly more than 300 mph.

But even at 120 mph hitting water isn't much different than hitting concrete. Even from ten meters up injury is possible when diving into water if it is done incorrectly. From 10,000 meters it will be lethal 99.9% of the time. The rest of the time you are likely to be at least knocked out as your eardrums burst, and then you drown.

Dude, bring a parachute.

If he is totally unprotected (no oxygen, no warm clothing, no pressure suit), he will probably die before reaching the ocean.

He will hit the ocean at terminal speed (approximately 200 mph for uncontrolled human body) so that the added altitude does not do much from that point of view.

Tests were done where eggs were dropped on different types of surface (including water) and the % of broken eggs was measured. Hitting the water was the same as hitting concrete. Hitting grass was much better for survival (of the eggs).

The very few human survival stories involve grass in a soft field and/or trees with generously leaved trees.

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boeing 747 fly at a height of 35000 ft(maximum altitude).if ur friend is droping from that height straight then he will face following problem:

1.it is almost impossible to drop straight and perpendicular from such height .if he manage to do so,the low pressure will burst his vein and he will dye due to internal bleeding or haemorrage.

2.at low pressure there is a problem of lack of oxygen.he will suffocate to die..

3.lastly he is not a expert to dive into the sea at that speed and height.he will die due to upthrust of ocean surface..

but the question is that why will he make such a foolish decision..

To my knowledge, only one person has survived a high altitude fall. A Russian pilot ejected after mechanical failure of his jet. He was over some really high mountains. His chute failed. Through dumb luck he hit a snow-covered mountain with a glancing blow and, essentially, did a cartoon-style snowball down the side of the mountain.

The reason he didn't die is because this slowed him down in steps.

This is why folks, when talking about a fall, offer this sage bit of wisdom: It ain't the fall, it's the sudden stop that kills you.

No, he would probably freeze from be in -45 degree weather for a few seconds, along with oxygen deprivation. If he survived that he might have hear failure from panicking, and if then hitting water at that speed would be like hitting concrete.

The 500 mile per hour wind will rip you apart when you jump out, then the cold will kill you, the lack of oxygen will kill you and the fall into the water will kill you.

So, I'd have to say he wouldn't survive.

If everything went well and he actually did make it to dive into the ocean, the impact would shove his head up his butt, to be blunt. The odds of him getting that far are pretty slim.

First of all he would pass out due to the lack of oxygen, secondly if you hit water at terminal velocity, it would be like hitting solid concrete. I'm afraid he wouldn't be very recognizable after he hit the water.

No, he will die. The force of impact from jumping from such an altitude will be equivalent to landing on concrete.