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Thy are held up by gas that is lighter than air. The hgher you go, the less dense air gets and therefore the less the difference between the gas being used to hold the balloon aloft and the air outside.
They can therefore only go so high.
Also, most balloons are not pressurised therefore the people fying in them would pass out for lack of oxygen if they went much above 10,000feet
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What is aerostat radar?
Aerostat radar is a low-level surveillance system that uses aerostats (moored balloons) as radar platforms.
Are airplanes air tight?
Most small airplanes are not air tight (or even completely encased) because thy do not need pressurization. Commercial planes fly at altitudes where there is not enough oxygen to sustain life, requiring pressurization.
Things that are made out of rubber?
BALLOONS
Why didn't radar detect the incoming Japanese airplanes?
They did, but sometimes the planes would fly very low so that the radars could not detect them.
Why jet engines are used at high altitudes?
For thrust. Engines are used to overcome the drag of the airplane.
Balloons forced German aircraft to fly at higher altitudes and thus decreased their bombing accuracy.?
Blimps
These balloons forced German aircraft to fly at higher altitudes and thus decreased their bombing accuracy.?
barrage
To what layer of the atmosphere do weather balloons fly?
They fly into the stratosphere. Weather balloons can reach altitudes of 40 kilometers (about 25 miles).
Why does plane not fly at low altitude Why do they usually fly at high altitude?
Better fuel economy. The air is thinner at higher altitudes.
Why do hot air balloons travel at low altitudes?
They fly at low altitudes because if you fly too high, the balloon may pop. A2: Above seems unlikely, as the balloon is open at its lower end. Mainly I think because they are generally used for passenger viewing flights and the general public would not have the clothing for high altitudes as well as not wanting to be very high since the purpose of the flight is to view the terrain below. The balloon works by making the air inside hotter and less dense than the surrounding air, so as it rises it needs to use more fuel to achieve this as the surrounding air gets less dense. There must be an effective max height for hot air balloons but I don't know what the record is.
How to fly with balloons?
to fly eat balloons as kerby you well unlock the power to float
Why do jet airplanes fly at high altitudes?
Jet airplanes fly at high altitudes because it is more fuel efficient. Flying at higher altitudes uses less fuel than flying at lower altitudes.
Which force allows hot air balloons to fly?
Buoyancy allows hot air balloons to fly.
Why ice melts slowly at higher altitudes?
because there is low pressure at higher altitudes
How can you fly on Counterfeit Island?
You can float using the balloons, but not fly.
Why lighter than air balloons fly?
air balloons or hot air balloons fly because they fill with a very light type of air. The air is hot air.
Cirrus clouds appear at low to high altitudes?
just high altitudes
