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Everyone knows the answer to the question, how much time will it take to climb the world’s tallest building Burj Khalifa. But if a person jumps down from Burj Khalifa, in how many seconds will he reach the ground, do you know this? Let’s know the answer to this today.

**How to get the answer to this question**

The answer to how many seconds it will take for a person to reach the ground after jumping from Burj Khalifa depends on many factors like gravity, air resistance and the size and weight of the person jumping. Let us now understand all these aspects and try to estimate how much time it will take for a person to reach the ground after jumping from Burj Khalifa.

**Understand from the height of Burj Khalifa**

Let us tell you, the height of Burj Khalifa is 828 meters, which makes it the tallest man-made building in the world. The Burj Khalifa building has a total of 163 floors and the height of the topmost floor is about 585 meters. If a person jumps from the top of the building, he will travel a long distance, in which he will have to face heavy air resistance and rapidly increasing speed.

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**Understand gravity and terminal velocity**

Actually, the main reason for the falling speed of any object is the gravity of the earth, which pulls objects towards itself at a rate of about 9.8 meters per second square. Initially, as soon as a person starts falling, his speed starts increasing rapidly. But, the resistance of the air gradually controls this speed and after reaching a point, the speed of the person becomes stable. This is called terminal velocity.

Now let us understand the terminal velocity of the human body. Actually, the terminal velocity of the human body is about 53 meters per second depending on the air resistance and the size of the body. That is, when the person attains this speed of falling, he cannot fall faster. At this speed, the person will fall downwards at a speed of about 190 km/hour per second.

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**In how many seconds will it reach the bottom**

For the first 12-15 seconds after jumping from Burj Khalifa, the person’s speed will keep increasing due to the force of gravity until he reaches the terminal velocity. After this, he will continue to fall down at a constant speed. After reaching the terminal velocity, the person will continue to fall at a rate of about 53 meters per second.

If we assume that the person jumps from a height of 828 meters, he will reach the terminal velocity of 53 meters per second in about 12 seconds. After this, the remaining distance will be covered in about 15-18 seconds. According to this, the person will reach the ground within a total of 27 to 30 seconds.

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