Which has higher air pressure hot or cold air?
Hot air has higher air pressure because cold air sinks
by when the lower air pressure gets colder it turns into cold weather and then it is a high pressure. when the higher air pressure gets hot it turns into a lower air pressure
cold air exerts more pressure than hot air
Because the pressure of a gas is dependent on the temperature. The same amount of gas - as what you have inside your balloon - will have a higher pressure when it's warm, and a lower pressure when it's cold. And higher pressure = more inflation. Lower pressure = less inflation.
cold. Low pressure indicates hot air. Rapidly dropping pressure indicates high winds and a possible storm front.
Hot air has Less atmospheric pressure, in other words the air is thinner. ... Cold air is heavier than hot air *at the same pressure*
Yes, cold air has a higher density than hot air, and that is why hot air balloons rise, it rises above the cold air. hot air is less dense than cold air^
Hot air has more energy, so the particles are moving faster and bouncing off each other harder than in cold air. This bouncing off each other forces them against the walls of a container, creating higher pressure.
Hot air has a higher pressure in a fixed volume, because the molecules in air have absorbed the heat energy around them and start moving and spreading farther apart. While when you take energy away from air or cool it. It will slowly start to condense to a liquid, then a solid.
High pressure in weather is cold, and low pressure is hot.
I say cold air because the cold air unlike hot air comes together and sinks while hot air spreads out and rises making cold air create more pressure
When hot and cold air meet, the higher density of hot air overcomes the lower density of cold air and creates wind.
cold air is heavier than hot air so the cold air gos to the hot air where theirs less pressure
In the atmosphere a hot air layer is found above a cold air layer How is the separation achieved and why does hot air always tend to rise?
It is because a hot air is a light matter while a cold air is a heavy matter of gas. Like, the difference of low(hot) pressure and high(cold) pressure area.
Why is it not advisable to increase the air pressure in a car tire to full limit when driving on a hot day?
Answer Tire pressure is supposed to be measured while the tire is cold. Tire pressure is higher when the tire is hot; therefore, the pressure of a hot tire will drop below its limit when it cools down.
Pressure depends more on elevation and if there is bad weather/sunny. Bad weather cause the pressure to drop. At the same elevation, cold air is denser/heavier than hot air, how hot air balloons work.
A monsoon occurs when hot air pressure and cold air pressure collide.
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.
i dont know much about density of air but i do know this, if hot air is in a basketball in the cold, it should be easier to score as the ball would physically rise if the air is too hot, but pressure would pop the ball first, so that stops it floating away, but yeah, hot air in a ball, on a cold day means the ball will bounce higher, and be easier to… Read More
the hotter the air, the more pressure it is, so cold air is less force
In simple terms, storms can be caused by the meeting of very cold air with very warm air. A storm originates when a low pressure system is surrounded by a high pressure system. Small areas of low pressure can form from hot air rising off hot ground. Hot air will rise, an when the hot air collides with cold air, the hot air is forced up over the colder, drier air. Now - when the… Read More
In a closed system the pressure is higher.
Yes, hot air always rises while cold air sinks
Hot because when the ball is hot it has more pressure as if it were cold then it would be kind of flat. :)
cold air has higher density, by hot air is opposite
Depending on the air pressure the weather system can be hot of cold
What are you, a retard? Even my 5 year old sister knew the answer to this. Hot air is lighter than cold air, thus the balloon with hot air rises higher than the cold air around it.
Air pressure is the weight of the atmosphere pressing down on the earth. Temperature raises and lowers the pressure by changing density of said air. For example check the air in your cars tires cold, then hot-with no other change besides temperature, you will get different readings-this is normal and the reason you are supposed to adjust when cold.
Hot air expands, and if in an enclosed space, will cause high pressure. If not enclosed, the hot air will "spread out". As a result, you would have less hot air in a given space than cold air filling an identical space. It is that question of density which makes hot air rise.
It's the temperature and pressure of the air that allows it to move. Because hot air rises above the cold air, if the air gets cold when it gets near the top of the atmosphere, it drops down. When the pressure of one pocket of air is higher than the other pocket and they collide, they mix the pressure and in the process of equalization, some weathers like rain or hurricanes can form.
every minute clouds are going higher and higher into the atmosphere , (which is extremely cold ). every minute clouds are going higher and higher into the atmosphere , (which is extremely cold ).
Heat is defined by how fast molecules are moving. Fast moving molecules will have a higher temperature than slow moving molecules. The kinetic energy of the hot air is transferred to the cold air, which means the cold air becomes a little warmer, and the hot air becomes cooler.
The helium particles inside the balloon are moving around as much when it is cold out. The pressure from the air outside has a higher pressure pushing into the balloon than the helium particles are, pushing out (because it is cold). If it where a hot day; the particles would move around much more causing more pressure to push from the inside of the balloon, to the outside; than air pressure pushing on the balloon.
because the hot air push up and the cold air go in that area
Cold air. At the same pressure, the VOLUME of a gas will be proportional to the absolute temperature - that is, to temperature expressed in Kelvin. Density is inversely proportional to volume.
The hot air contracts when placed in the cold water as the water is blocking the air from going in, the decreased air pressure sucks in the soft aluminum sides and collapses the can.
I believe that weather is changed due to the movement of air pressure. High pressure (hot) Low Pressure (cold)
Cold air will sink and hot air will rise. So ACs are placed up higher.
Wind is caused by pressure differences in regions of air, and the pressure differences are due primarily to temperature fluctuations, and humidity. Areas that are hotter than their surroundings are at a higher pressure, and air moves from high pressure to low pressure. Hot air also tends to form near the ground, where the earth and plants and water trap solar energy and radiate heat into the air. The hot air rises, and also helps… Read More
It creates a low-pressure area - and the surrounding (higher pressure) air flows towards it to fill the 'gap'. This is what creates wind.
Pressure is the same whether hot or cold.
Cold air sinks and warm air rises. If you are in a warm room of your house and cold air starts leaking in from somewhere, you will feel the area closest to the floor getting colder first. Cold air displaces or takes the place of the hot air forcing the hotter air to rise above. If you have buzzards where you live, watch them over a field. They will circle in a column and rise… Read More
NO,because the hot soda has more pressure on the can than cold does becasue hot air expands.
hot air. when air air gets hot it rises and creats pressure.
Pressure temperature relationship will tell you all you need to know
The air inside the Tyre inn under high pressure and also sort of compressed. When it comes out of the Tyre the pressure decreases greatly and it expands and so if we use ideal gas law the temperature will decrease and we feel it cool because our body is at higher temperature than the air coming out.
High pressure. A hot air balloon has a maximum altitude, where it has only just enough lift to keep it there, because there is very little difference in density between hot (near) vacuum and cold (near) vacuum.
there is less air above you, and the denser cold air sinks while less dense hot air rises.
Hot air rises but not cold air.
Look on the inside drivers door. On the door latch area there is a sticker that will give the air pressure for cold and hot air pressures.
Both. Since hot air is less dense than cold air, the hot air rises as the cold air falls (i.e. as the cold air displaces the hot air). If you were to dye hot air & then inject it into the center of a room, you would observe the dyed hot air rising. What you may not realize is that gravity draws the (invisible) surrounding dense cold air downwards as it displaces the (visible) less… Read More