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When the air mass is like the hot-air balloon =P
The hot pressure{air}builds up so the balloon goes up.
When the balloon is hot the density of the air in it decreases and hence the upward thrust on the balloon increases and the balloon moves up and viceversa.
the air pressure outside of the balloon decreases.
what are the charicteristics about of a high pressure system
When the air mass is like the hot-air balloon =P
The answer is fairly simple, while some believe that a balloon bursts when near hot air because the balloon simple melts, it actually has to do with the pressure inside the balloon. When near hot air, the air inside the balloon expands slightly, causing a change in pressure, and causing the balloon to burst.
The hot pressure{air}builds up so the balloon goes up.
When the balloon is hot the density of the air in it decreases and hence the upward thrust on the balloon increases and the balloon moves up and viceversa.
the air pressure outside of the balloon decreases.
air pressure
hot air balloon
what are the charicteristics about of a high pressure system
Because hot air rises, the warmest air in the balloon is at the top of it. As time passes the balloonist has to fire the burners to maintain the temperature of the air in the balloon, and to prevent it being squeezed put by the higher pressure of the cold air surrounding the balloon.
Bouyancy, pressure, and gravity.
While a hot air balloon can fly several miles in the air, a tour balloon will generally only go about a mile up due to pressure concerns.
When air is heated, its volume increases. If you fill a balloon with comparably cold air and then let it touch hotter air, the air inside will expand and thereby increase the pressure on the balloon membrane. If this pressure gets too strong, the balloon might pop.