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Generally 3 meters, but the physiological limit of human immortality is seven meters, book knowledge is just why others fall so high, why don't they die, I don't know.
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Depending on the weight of the body, the landing technique is different! Generally 170 or so people, 120 pounds! The limit is 9 meters! (Excluding the first landing, that's the legs landing).
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How high can a person jump to be fine?
One. The world is impermanent, and life is unpredictable. There are some things that we can't do well in advance, and this ability to deal with them will definitely not happen.
Two. There are many uncertainties in our daily lives, including some activities, so everyone cannot say for sure that he is safe.
Three. It's okay to jump from as high a person can jump. There is no exact height of this, and the so-called human destiny is destined to be unpredictable.
Some people may have fallen from the fifth floor, but they didn't get up from the ground for anything, and went to the hospital for examination, except for a little bruising, there was no damage at all. But some people may jump from the first floor and fall and can't stand up. This is called inch strength.
It's just that God wants to take you in, why did he take you away? If your life is so long. How can you survive the toss?
As the saying goes, people don't go well. Horseshoe nests can drown people. That's it.
So don't go for sure, there are a lot of uncertainties.
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Under normal circumstances, the limit height is generally between 1.5 meters and 2 meters, of course, it is not excluded that people in special circumstances may have more than 2 meters. In fact, there is no complete conclusion as to how many meters a person can jump from a few meters, it is completely determined by the skills mastered by the individual, as well as the individual's physique, including the strength of the bones. But for more than two meters, I think it will add a certain amount of jump.
will increase the probability of injury.
Sports:
Life lies in exercise, and maintaining a healthy body is inseparable from exercise. Life lies in sports, sports lies in exercise, exercise is important in persistence, and persistence is victory. The best way to stay healthy is to exercise every day, at least an hour a day.
Teachers and parents let children develop a good habit of loving sports. There are no restrictions on the way of exercise, such as: running, walking, swimming, climbing, cycling, skipping rope, jumping bands, etc.
Group sports (physical education class) should be participated, and individual sports should be consciously practiced.
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1.About four meters is the limit of ordinary people who have not been trained, if it is a special police officer or a person who has practiced martial arts and has good physical fitness, it is also two stories high, if you want to jump down at a high point, according to my calculations, you go up one meter and the damage is doubled, unless there are protective measures below or Weiya who is used for filming, you will either die or be injured. Don't believe and imitate the action in the movie, otherwise you will get injured, and the famous movie star Jackie Chan has been injured many times because he fell from a height.
2.The quality of people is different, and the cracked bones and organs are also different, so it is difficult to say that some people will fall to their deaths when they fall from the second floor, and the children on our upper floor who fall from the fourth floor are only comminuted leg fractures.
3.The chances of survival if a person falls from the height of the fifth floor are pitiful, but a cat can be unharmed if it falls from the height of the fifth floor, because the cat's bones are quite soft. If a person falls asleep, the bones are fully relaxed and relaxed, and the chance of surviving from falling from the fifth floor is much greater than when no one is shining, and the same reason as a cat falling from the fifth floor, it can reduce pain and danger.
If you are not asleep, you can relax enough to keep your bones in their natural state, which can also achieve a similar effect to falling asleep.
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People who fall from the building usually hit the ground first with their heads.
People in the landing time is relatively short, 3 seconds, in the process of falling, it is difficult to adjust the action to let what part land first, generally speaking, the center of gravity of the human body is biased to the head, if the height reaches a certain height, there is enough time to adjust, it should be said that the possibility of landing on the head first is high, then there is almost no chance of survival for the suicide, this is like a hammer with a wooden handle, falling from a high altitude, the head hammer falls first.
For a person who commits suicide by jumping from a high altitude, if the building is 15 stories high and 45 meters high, the landing time is h=1 2gt, ignoring the air resistance, and the landing time is 3 seconds. As mentioned earlier, high diving is a well-trained athlete who has his body on his side and his back on the water before entering the water, and his body tissues are injured.
So for the suicide of jumping off the building, you may face an innate instinctive reaction, in the process of falling, you will hold your head, bend your body, hold your chest, and when you land, whether your head hits the ground first, or your buttocks, it is very complicated here, through some case studies, after someone jumps off the building, there is almost no possibility of survival, but there are also hospitals that survive for a few days and die.
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People can withstand a 10-meter loss sedan car jump.
10 meters high is equivalent to three stories high, and jumping from the top of the third floor is very dangerous, even if it is not life-threatening, it can cause serious injuries or mutilation. If you jump into the water from a height of 10 meters, and the water has a certain depth, nothing will happen, and the risk factor is small. Under normal circumstances, a normal person can withstand jumping from a height of 10 meters into the water.
The limits of a healthy and normal person are:
1. The limit of hunger tolerance:
In the case of fasting without water for up to 90 days.
2. The limit of thirst tolerance:
When a person is in a state of unbridled silence and the temperature is 16-23 degrees Celsius, it can survive for 7 days, and at 36 degrees Celsius, it can survive for 3 days.
3. Limit of heat resistance:
It can tolerate 1 hour at a temperature of 72 degrees Celsius and 26 minutes at 82 degrees Celsius.
4. The limit of cold resistance:
When a person's body temperature drops to 32-28 degrees Celsius, they can still walk and talk. <>