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The question is not clear but i think it will be the same original size as it was initially.

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Q: A weather balloon is brought to the ground sea level from an altitude of 4km when it reaches the ground the balloon is its original size?
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Related questions

What happens to the hot air balloon when it reaches an altitude of 10000 meters?

the air pressure outside of the balloon decreases.


Where does a balloon go when you let it go?

Up, up, and away! A helium balloon rises rapidly until one of two things happens due to the falling air pressure with rising altitude: the balloon expands and pops and the remnants fall back to earth, or the balloon reaches an altitude where it can't rise further and the high altitude winds carry it off. Eventually if it has not popped the helium will slowly escape and it will fall back to earth. By the time it does fall back to earth it is usually hundreds to thousands of miles from where it was released.


How would a balloon look once it reaches 10 degrees?

Like a balloon.


What layer reaches highest altitude?

Troposphere


What layer reaches the highest altitude?

Troposphere


Which layer reaches the highest altitude?

stratosphere


How balloon and a rocket different?

first of all the transportation differ. a balloon travels by the gravity pull of oxygen while a rocket uses a combination of chemicals. the pressure builds up and there you go you have a rocket shooting off. then when it reaches a certain altitude it starts condensing in sizes while a balloon is incapable of doing that. It would just well...pop!


Why will a hot air balloon rise and then float at a certain height in air?

increasing altitude decreases air pressure, this pressure gradient with gravity decides if things sink or float. heating the air in the balloon decreases the weight of the balloon and allows the downward pressure from above plus the weight of the balloon to be less than the upward air pressure from below. hence the balloon rises due to this force imbalance. the balloon reaches a constant height when all three are equal


What animal is known to live at the highest altitude?

The bar-headed goose flys at the highest altitude and reaches the highest altitude of any animal.


Why is the weather balloon drawn so tall and thin?

To enable the gases inside the balloon to expand which they do when the balloon reaches high altitudes. At this point the balloon becomes much larger.


Why does particles in a balloon decrease over time?

If you are talking about a balloon that is not tied then it shrinks because the air in it is being released. If you are talking about a balloon that is tied at its end then it will not shrink but expand since the outside pressure at altitude is lower than the inside pressure it was blown up at on the ground, causing it to expand.


How does altitude affect temperature on earth?

It depends on the on what sphere of the atmosphere you are talking about. At ground level (troposhere) it gets colder as altitude rises. Once the altitude reaches the stratosphere the temperature becomes warmer then cools down again as it reaches the stratopause, and continues to decline as altitude increases in the mesophere until the mesopause. The temperature then rises significantly when the altitude is high enough to be considered the thermosphere.