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What sort of a sensor is a PT100?
A PT100 is a PTC (Positive Temperature Coefficient), which means that it's resistance ascends with it's temperature
Where on a circulation cell is there typically precipitation and where is there typically evaporation?
In a circulation cell, precipitation typically occurs at the rising air regions, often near the equator and in the mid-latitudes where warm, moist air ascends and cools, leading to condensation and rain. Conversely, evaporation is more common in the descending air regions, such as the subtropical high-pressure zones, where the air is relatively dry and warm, promoting moisture loss from the surface.
How negative buoyancy affect a blimp?
Negative buoyancy is when the gravitational pull on a diver is greater than the buoyant force. This means that the diver is being pulled downward, and that the buoyant force is doing negative work (work that is in the opposite direction of the displacement). Positive buoyancy is the opposite situation in which the buoyant force of the diver is greater than the gravitational pull, which makes the diver move upwards. Usually, a person's weight is slightly more than the weight of the displaced amount of water. For example, a person who weighs 80kg displaces 79dm2 of water, which weighs 79kg, that is, he has about 1kg of negative buoyancy. As for your question whether this negative buoancy is a unique feature for black people, the answer is no. it is related to the person's density.
Why does the elevation gradually decrease away from the ridge axis?
Hot material ascends at the ridge axis form the mantle. It partially melts. The basaltic melts ascend and form 6-7 km of oceanic crust. The seafloor and the underlying mantle then move away from the ridge axis. The material cools from top down. As it does it contracts thermally and becomes more dense. The vertical contraction of the material and the increased load on the underlying mantle causes the seafloor to subside. The weight of the overlying water also causes subsidence. To the first order, the predicted depth to the seafloor increases with the square root of age from the ridge axis. This in fact occurs and was strong evidence for the reality of seafloor spreading in the late 1960s. Note that Lord Kelvin was on the trans-Atlantic cable project. He crossed the Charlie-Gibbs fracture zone rather than the ridge axis. The square-root relationship was not evident. Wegener also considered the process to some extent, but ended up with continents moving as rafts rather than with seafloor spreading. See paper for technical derivation and some early references. 2011 Sleep, N. H., Small-scale convection beneath oceans and continents. Chi. Sci. Bull., 56(13), 1292-1317, DOI: 10.1007/s11434-011-4435-x.
When riding in an airplane there is often the sensation of popping in the ears What might causes this sensation?
The sensation of popping in the ears during airplane travel is typically caused by changes in air pressure. As the airplane ascends or descends, the pressure inside the ear is different from the pressure outside, leading to the popping sensation. Swallowing, yawning, or chewing gum can help equalize the pressure and relieve the discomfort.
The popping sensation a person feels in his or her ears when an airplane ascends or descends comes from the rapid change and what type of pressure?
The popping sensation in the ears during an airplane's ascent or descent is due to the rapid change in atmospheric pressure. As the altitude changes, the pressure outside the ear can differ significantly from the pressure in the middle ear, leading to a pressure imbalance. The Eustachian tube helps equalize this pressure, causing the popping sensation as it opens and allows air to flow.
What causes your ears to pop on an airplane?
The change in air pressure as the airplane ascends or descends can cause your ears to pop. Your Eustachian tube, which helps regulate air pressure in your middle ear, may have trouble equalizing the pressure, leading to the popping sensation. Swallowing, chewing gum, or yawning can help relieve the pressure and stop the popping.
What happens when your airplane takes off from an airstrip on the ground and rises 30000 feet into the sky what happens to the air pressure on the outside of the airplane?
As the airplane ascends to 30,000 feet, the air pressure outside the airplane decreases. This is because air pressure decreases with altitude due to less air molecules exerting pressure on the aircraft. The difference in pressure between the inside and outside of the airplane is managed by the aircraft's pressurization system to ensure a comfortable environment for passengers and crew.
Should atmospheric pressure increase or decrease as one ascends from the beach to the mountains?
Atmospheric pressure decreases as one ascends from the beach to the mountains.
an aircraft descends 150m from an altitude of 650m to avoid turbulence. The plane ascends 830m after the descent. at what altitude is the plane flying?
1330m
Why do a bag of crisp expand on planes?
A bag of crisps expands on planes due to changes in air pressure as the aircraft ascends. At higher altitudes, the atmospheric pressure decreases, causing the air inside the sealed bag to expand. Since the bag is airtight, this expansion results in the bag puffing up. Once the plane descends and pressure increases, the bag may return to its original shape.
Why on a plane air pass through your ear?
When the plane ascends or descends, the air pressure inside the cabin changes, causing your ears to feel blocked. This is due to the Eustachian tube, which helps equalize pressure in your ears. Swallowing, chewing gum, or yawning can help alleviate this discomfort by opening the Eustachian tube and allowing air to pass through.
How is decompression sickness related to pressure?
Divers breathing compressed gases at depth are themselves under pressure. For each 33 feet/10 meters that a diver descends, they add approximately 1 atmosphere of pressure to their body. When they breathe gases whilst their bodies are under this pressure, the gases dissolve into their bodies tissues. When they ascend, the pressure is relieved, and gases are released. Provided that diver ascends sufficiently slowly, the gases are released slowly and no problems result. But if the diver ascends too slowly without allowing the gases to expire at a slow enough rate, then the diver will suffer decompression sickness when gas bubbles form in the diver's tissues and blood.
What is the median of 28 31 31 30 30?
Median is the middle number of a list that ascends or descends in order. 30 would be the median of 28, 30, 30, 31, 31.
What is the pathway for crude pain?
Crude pain is transmitted via A-delta and C fibers to the spinal cord and then ascends to the brainstem and thalamus. From the thalamus, the pain signals are projected to the somatosensory cortex for processing and perception.
What happens if a hot air balloon ascends too high?
If a hot air balloon ascends too high, the air pressure decreases and the balloon may burst or lose control, potentially causing it to crash.
