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Density is defined as the mass of an object divided by its volume. Air is comprised of molecules and gaseous compounds floating around, and have a very small mass. And there are a lot of these molecules floating around in a big space (aka the surroundings/atmosphere) so there is a high volume. A small mass divided by a large volume equates to a low density.
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Warm air has higher air pressure than cold air because the molecules are expanding?
False
How much more pressure does an artery have than a vein?
4
Why do arteries but not veins spurt when cut?
Blood is at a much higher pressure in the arteries than in the veins, and travels faster. They are deeper in and need to be protected more, as artery cuts are more dangerous than vein cuts.Read more: Why_do_arteries_but_not_veins_spurt_when_cut
Is there more pressure in the Sahara desert or at the top of Mount Everest?
There is more atmospheric pressure in the Sahara Desert. The number of air molecules around us decrease as we go higher into the atmosphere, which also causes the air pressure to decrease. Since the Sahara Desert is closer to sea level than Mount Everest is, there are more air molecules and more pressure there.
How does a cold front affects CA?
Cold fronts tend to effect the eastern states more than the western states. However, California can get cooler weather when a cold front occurs which can effect fishing.
Cold air exerts more blank than warm air?
air molecules in cold air exert more pressure because they are closer together and collide more often
Does warm air have more pressure than cold air?
Yes, warm air has less pressure than cold air. This is because the molecules in warm air have more energy and move faster, causing them to spread out more and exert less pressure compared to the denser, slower-moving molecules in cold air.
Why does water exert more pressure than air?
Water is more dense than air is.
Which will exert more pressure river water or same amount of sea water?
Sea water will exert more pressure than river water due to its higher density. The pressure exerted by a fluid is directly proportional to its density, so sea water, being more dense than river water, will exert a greater pressure.
Why do fluid create pressure?
Fluids have a higher density than air and therefore exert more pressure than air.
Can warm air pressure weigh more than cold air pressure?
No, warm air and cold air exert different pressures due to their different densities, but the weight of a volume of air is determined by its mass. Therefore, a mass of warm air does not weigh more than a mass of cold air, assuming the volumes are the same.
Why does a pointed heal shoe exert less pressure?
Sorry - it exerts more pressure than a flt heel.
Does solid exert more pressure in liquid in deep than in top?
Yes, a solid will exert more pressure at the bottom of a liquid compared to the top due to the increase in depth and the weight of the liquid above it. This is known as hydrostatic pressure, which increases with depth in a fluid.
What temperature of air is heavier and has more pressure?
Colder air is typically heavier and denser than warmer air, leading to higher air pressure at the surface. This is because cold air molecules are closer together and exert more force per unit area, creating higher pressure.
Does Cold Air Exerts More Pressure Than Warm Air?
In warm air, molecules are spaced farther apart. As air cools, molecular activity and movement slows down which cause compaction of the molecules. The increased density of air in the same space automatically increases the overall weight. That is why warmer air layers over cold air because the cold air is 'heavier' and sinks to the ground while the 'lighter', warm air rises.
Why does a sharp point exert a larger pressure than a blunt end?
The larger pointed exert larger pressure than ablunt end because the sharp end takes small than the blunt end.
Does cold air have high or low pressure?
Cold air has a high pressure because it is heavier than warm air.
