What happens to pressure when flow passes through a resistance?

Answers

Answer 1

When flow passes through a resistance, such as a constriction or narrowing in a fluid system, the pressure is affected  predictably. According to Bernoulli's Principle, the total energy in a fluid system remains constant, but it can be redistributed between kinetic energy (due to fluid velocity) and potential energy (in the form of pressure).

As  the flow enters the resistance, the fluid velocity increases due to the reduced cross-sectional area. This increase in kinetic energy results in a corresponding decrease in potential energy, causing a pressure drop across the resistance. The pressure upstream of the resistance is higher, while the pressure downstream is lower. This pressure difference, or pressure gradient, is responsible for driving the fluid flow through the resistance.

In a more specific example, such as in blood circulation, blood vessels like arterioles and capillaries act as resistances that control the flow of blood. The resistance of these vessels can be affected by factors like vessel diameter and blood viscosity. The pressure gradient between the arterial and venous systems is crucial for maintaining blood flow and ensuring proper tissue perfusion.

In summary, when flow passes through a resistance, fluid velocity increases, and pressure decreases due to the conversion of potential energy into kinetic energy. This pressure gradient drives the fluid flow and plays a crucial role in various fluid systems, such as blood circulation in the human body.

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Related Questions

Which event or principle CANNOT have its validity directly tested by laboratory experiment?
Select one:

a. the big bang theory

b. the conservation of energy

c. the periodicity of element properties

d. the acceleration of objects due to gravity

Answers

 because the Big Bang theory has to do with space and earth

Escherichia coli is the scientific name of a bacterium. What category of
classification is Escherichia? *

A.order

B.genus

C.phylum

D.species

Answers

it’s (b) Escherichia is the name of a taxonomic genus. A genus is a grouping of organisms that is more specific than a family, but broader than a species.it’s also a bacteria

Escherichia coli is the scientific name of a bacterium. genus category of classification is Escherichia. The correct option is option (B).

In the scientific classification system, Escherichia is the genus of the bacterium. The genus is a higher taxonomic rank that groups closely related species together.

In this case, Escherichia is the genus name for a group of bacteria within the family Enterobacteriaceae.

The scientific name of an organism consists of the genus and species names together, with Escherichia coli being a specific species within the Escherichia genus.

Therefore, Escherichia coli is the scientific name of a bacterium. genus category of classification is Escherichia. The correct option is option (B).

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How long does it take for a popped blood vessel to heal?.

Answers

Answer:

Around 2 weeks

Explanation:

You don't need to treat it. A subconjunctival hemorrhage may look alarming, but it's usually a harmless condition that disappears within two weeks or so.

what are the five functions of cell membrane

Answers

Answer:

protects the cell by acting as a barrier.

regulates the transport of substances in and out of the cell.

receives chemical messengers from other cell.

acts as a receptor.

cell mobility, secretions, and absorptions of substances.

Explanation:

Evaluate the model.select that do NOT accurately identify the structures labeled in the picture. Choose all that apply.

Evaluate the model.select that do NOT accurately identify the structures labeled in the picture. Choose

Answers

Answer:

C,)

D,)

Explanation:

Certain types of windows used in colder climates consist of two panes of glass separated by a gap of air. What is the advantage of this design?​

Answers

The air gap is filled with gas which increases the insulation between the glass pieces. Double glazed windows are highly efficient, reducing your heat loss or gain by up to 30% when compared to single-glazed windows.


A goal taking which of these lengths of time to achieve is most likely to be a
short-term goal?
A. 25 weeks
B. 25 decades
C. 25 years
D. 25 months

Answers

Answer:

A. 25 weeks

Explanation:

It's the shortest amount of time.

Hope this helps! :)

Answer:

25 weeks

Explanation:

25 minutes would probably be a short term goal. If it takes someone only 25 minutes to do, that would be a pretty short and easy goal. It COULD be 25 weeks.

3. What is an enzyme and what is its role in a reaction?

Answers

Answer:

An enzyme is a protein that serves as a catalyst in a reaction. Enzymes help to speed up the rate of the reaction by lowering the initial activation energy (the minimum amount of energy needed to undergo a reaction).

Which part of the female reproductive system is highlighted below?
A. Fallopian tube
B. Ovary
C. Uterus
D. Cervix

Which part of the female reproductive system is highlighted below?A. Fallopian tubeB. OvaryC. UterusD.

Answers

Answer:

It's B Ovary

Explanation:

sorry if im wrong

Answer:

ovary because it is an reproductive system in highlighted below

Jasonxis an information systems technician in a town in North Carolina with a population of 100,000. He earns $35,000 a year. H recently found out that a nearby town with a similar population pays people in the same position $40,000 per year. Jason is concerned with the _______ form of equity.

Answers

Jason is concerned with the distributive form of equity. This form of equity relates to the distribution of resources, rewards, and benefits among individuals or groups. In this case, Jason feels that he is not being fairly compensated compared to his counterparts in the nearby town.

He believes that he deserves a higher salary for the same job he performs as other information systems technicians in a similar position. This disparity in pay can cause feelings of unfairness, which may result in lower motivation and job satisfaction for Jason.

To address this issue, Jason could approach his employer to negotiate a raise or look for opportunities in the nearby town with higher pay. Employers need to ensure that they have a fair and equitable system in place to retain their valuable employees and maintain their productivity.

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A population of rabbits lives on one side of a wide river. Another population of rabbits lives on the opposite side of the river. They cannot cross the river. If speciation occurred as a result of the river, what kind of speciation was this? ___________

Answers

Answer:

Allopatric speciation

Explanation:

The kind of speciation that occurs when 2 populations of rabbits separated by water become different species is allopatric speciation.

Allopatric speciation occurs when two populations of the same organisms become physically separated and each population ends up developing unique characteristics that make them distinct species. This is as opposed to sympatric speciation in which a new species just spontaneously emerge from the existing population without any being separated from the population.

Other forms of speciations include parapatric speciation which occurs as a result of the spreading out of a population over a large geographical area and peripatric speciation which occurs as a result of the breaking off of a small group from a large group of organism.

In the illustration, the two populations of rabbits are separated physically by the river. Hence, the speciation that will occur if each population goes ahead to form a new species would be allopatric speciation.

By studying the distribution of different types of fossils, geologists have determined that some tectonic plates have traveled great distances.
Evidence to support this is that -
A. fossils of organisms that lived in warm climates have been found in arctic environments.
B. species of organisms in the fossil record have changed over geologic time.
C. some fossilized organisms have only been found on only one continent.
D. the oldest known fossils, found in the deepest rock layers, represent ocean organisms.

Answers

Answer:

the answer is A

Explanation:

The evidence to support the idea that some tectonic plates have traveled great distances is option A, "fossils of organisms that lived in warm climates have been found in arctic environments."

What does the distribution of fossil fuels tells us?

The distribution of fossils can provide important clues about how continents and tectonic plates have moved over time. When continents or plates separate, they can carry with them the fossils of organisms that were living in that area at the time. As a result, the same types of fossils can be found in geographically distant locations that were once connected.

For example, the discovery of fossils of tropical plants and animals in polar regions provides strong evidence that those regions were once located closer to the equator and have since moved to their current location. This phenomenon is known as "paleogeography" and has been instrumental in understanding the movement of tectonic plates and the history of the Earth's continents.

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Cells are the basic unit of life. Some cells are single-celled organisms and others
are specialized to do a specific function for an organism. Even though cells are
structurally different depending on the organism, all cells have this in common?
A. The presence of nucleic acid
B. The absence of a nuclear envelope
C. The presence of a cell wall
D. The absence of ribosomes

Answers

Answer:

A. The presence of nucleic acid

Explanation:

How are farmers scientists

Answers

Answer:

Agricultural sciences, sciences dealing with food and fibre production and processing. They include the technologies of soil cultivation, crop cultivation and harvesting, animal production, and the processing of plant and animal products for human consumption and use. Agricultural Sciences. See all media.

Explanation:

Which of the following does NOT belong

Which of the following does NOT belong

Answers

canis lupis doesnt belong there

Cell adhesion in animals often occurs through the interactions of:
A. receptors.
B. cytoskeletons.
C. lipids.
D. organelles.
E. carbohydrates.

Answers

Cell adhesion in animals often occurs through the interactions of carbohydrates. Cell adhesion occurs in animals when particular receptors on the cell's surface are present.

Cell adhesion is the process by which cells interact with and connect to neighboring cells via specialized cell surface chemicals. This process can take place either directly between cell surfaces, such as cell junctions, or indirectly, where cells adhere to the surrounding extracellular matrix, a gel-like material holding chemicals released by cells into gaps between them.

Cell adhesion is caused by interactions between cell-adhesion molecules (CAMs), which are transmembrane proteins found on the cell surface. Cell adhesion connects cells in various ways and can be involved in signal transduction, allowing cells to detect and respond to changes in their environment.

Cell migration and tissue formation are two more biological processes governed by cell adhesion in multicellular organisms. Changes in cell adhesion can disrupt critical cellular processes and result in a number of illnesses, including cancer. Infectious organisms, such as bacteria or viruses, require cell attachment to induce illness.

The correct answer is option E, carbohydrates.

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How can one wrong base pair impact a whole organism?

Answers

Answer:

An organism's DNA affects how it looks, how it behaves, and its physiology. So a change in an organism's DNA can cause changes in all aspects of its life. Mutations are essential to evolution; they are the raw material of genetic variation. Without modification, growth could not occur. i hope this help

Explanation:

Before cells can divide what must be copied?

Answers

Answer:

Nucleotide must be copied before cells can divide.

Every organelle in the cell plus the genetic information of that cell

True or False. Air can exert pressure in all directions in objects.

Answers

Answer:

true

Explanation:

The pressure exerted by air on all bodies at all times in all directions is called air pressure. When air moves at high speeds, it creates a low pressure area. The air inside a balloon exerts pressure in all directions, and makes it blow up. Air opposes the motion of a moving object.

Next, you'll build a simulation based on what you think will happen because of natural
selection.
Here are two considerations:
• Some individuals with harmful characteristics can still successfully reproduce, but
they have an overall lower chance of doing so compared to organisms with
neutral or beneficial traits.
• Natural selection may affect distribution of traits. It's possible that harmful traits
could eventually disappear from the gene pool.
Don't worry about precise population numbers. Based on your understanding of
natural selection, you'll be modeling only one scientifically plausible trend that can
occur. There are several correct variations of this diagram. You'll explain the
justification for your choices in part E.
Assume that these plants have a life expectancy of about one year, but the rate of
reproduction keeps their population consistently around 2,500 organisms. Using the
same elements you used in part C, draw simulations for year 5 and year 10. Clearly
label each simulation.



How do I draw this with circles?

Next, you'll build a simulation based on what you think will happen because of naturalselection.Here

Answers

By comparing the circle graphs for year 5 and year 10, you can visually represent the impact of natural selection on the distribution of traits within the plant population.

The size of each section will correspond to the proportion of individuals within the population that possess that particular trait.

For the purposes of this simulation, let's consider two traits: beneficial and harmful. The beneficial trait contributes to higher reproductive success, while the harmful trait reduces the chances of successful reproduction.

We'll assume that the population starts with a mix of individuals possessing both traits, but over time, natural selection will lead to changes in the distribution of traits.

Here's how you can draw the simulations for year 5 and year 10:

Year 1: Assume an initial distribution of 50% individuals with beneficial traits and 50% individuals with harmful traits.

Year 5: After five years of natural selection, the population's distribution may have changed. Let's assume that individuals with harmful traits have a lower chance of successful reproduction compared to those with beneficial traits.

Year 10: After ten years, natural selection may further impact the distribution of traits. Assuming that the harmful traits have a lower overall chance of successful reproduction, you can draw a circle graph with, for example, 80% of the circle representing individuals with beneficial traits and 20% representing individuals with harmful traits.

Remember that these proportions are just examples and may vary depending on the specific scenario and selection pressures involved.

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how does the cell wall function work in a plant cell

4-5 sentences

thank you

Answers

Answer:

The cell wall is the outermost layer of a plant cell. It works like a protective shield that keeps the contents of the cell inside and prevents water loss. The function of this layer is to protect against harmful substances, such as bacteria and viruses, which can cause diseases in plants. In addition, it also serves as a barrier for gases (such as oxygen) so they do not leak out into the surrounding environment.

Explanation:

The DNA codon GTA codes for an amino acid carried by a tRNA with the anticodon ________. ATG GUA CAU CAT

Answers

The DNA codon GTA codes for an amino acid carried by a tRNA with the anticodon CAU. The DNA codon GTA corresponds to the mRNA codon CAU.

In the process of protein synthesis, the DNA sequence is transcribed into mRNA, which carries the genetic information to the ribosomes. The mRNA sequence is then translated into a specific sequence of amino acids carried by transfer RNA (tRNA) molecules. The tRNA molecules have anticodons that are complementary to the mRNA codons. This complementary base pairing ensures that the correct amino acid is brought to the growing polypeptide chain during translation. Therefore, CAU is the anticodon of the tRNA that carries the amino acid corresponding to this codon.

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How is a scientific experiment different from other investigations.

Answers

Explanation:

An experiment is a type of investigation, the most involved and accurate type. An experiment follows a set template of how to run. Scientists running experiments also have a question, but they predict the outcome by making a hypothesis.

When auditors assess the internal controls in an ais as part of the sarbanes-oxley act, they are serving in their role as a(n)?

Answers

When auditors assess the internal controls in an AIS as part of the Sarbanes-Oxley Act, they are serving in their role as a public accountant.

What is an AIS?

An accounting information system (AIS) is a system used by businesses to collect, store, process, and report financial and accounting information. It combines technology, procedures, and personnel to facilitate the effective management of financial data and support decision-making processes.

The main objectives of an accounting information system are:

Recording and storing financial transactions: AIS captures and stores data related to financial transactions, such as sales, purchases, payroll, and expenses. This data is typically entered into the system through various sources, such as invoices, receipts, and electronic transfers.

Processing and organizing financial data: AIS processes the recorded data and organizes it in a structured manner, such as using general ledger accounts, subsidiary ledgers, and charts of accounts. This allows for easier analysis and reporting.

Generating financial reports: AIS produces various financial reports, such as balance sheets, income statements, cash flow statements, and financial ratios. These reports provide an overview of a company's financial performance and position, aiding in decision making by management, investors, and other stakeholders.

Ensuring data accuracy and integrity: AIS includes internal controls and mechanisms to ensure the accuracy, completeness, and reliability of financial data. This helps prevent errors, fraud, and unauthorized access to financial information.

Facilitating decision making: AIS provides relevant and timely financial information to support decision making at various levels within an organization. It helps managers analyze financial trends, evaluate performance, set budgets, and make strategic decisions.

Supporting regulatory compliance: AIS helps businesses comply with financial regulations and reporting requirements imposed by government authorities and accounting standards. It facilitates the preparation of financial statements in accordance with the applicable accounting principles.

Modern accounting information systems often utilize computerized software and databases to automate processes, enhance data accuracy, and improve efficiency. These systems may integrate with other functional areas within an organization, such as inventory management, payroll, and customer relationship management, to provide a comprehensive view of business operations.

Overall, an accounting information system plays a critical role in the financial management of organizations by providing reliable and relevant financial information for decision making, financial reporting, and regulatory compliance.

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what is the difference between the open-water zone and the deep water Zone ​

Answers

open water is seeable and deepwater is not

can a WILD panther eat a COOKED egg

Answers

not sure i’m pretty sure no

Answer:

yes

Explanation:food is food.as long as a panther has food infront of it. it will eat

what is another word for misunderstood

Answers

Answer:

misapprehend or misinterpret

Explanation:

:)

Answer:

misinterpret

Explanation:

which of the following is not required for transcription? group of answer choices A. dna template
B. ribonucleotides
C. rna primers
D rna polymerase

Answers

RNA groundworks are not needed for the record. Living things begin the synthesis of DNA strands by using RNA primers. The correct answer is (C).

RNA polymerase synthesizes a complementary RNA strand using ribonucleotides (A, U, C, and G) rather than deoxyribonucleotides (A, T, C, and G) using a DNA template during transcription. In contrast to transcription, DNA replication makes use of RNA primers. RNA polymerase catalyzes the arrangement of the phosphodiester connections between contiguous nucleotides in the developing RNA chain, and it likewise loosens up the DNA twofold helix in front of the record bubble.

The template for transcription is one of the two exposed DNA strands; this strand is known as the format strand. The RNA product complements the template strand and is nearly identical to the nontemplate (or coding) strand, the other DNA strand.

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Water can be considered water pollution if man changes the temperature.
True or false ?

Answers

Answer:

False

Explanation:

What is the highest value for longitude

Answers

There is no fixed standard for determining the highest longitude. Different people have different ideas of what that should be. But the Earth’s highest longitude is believed to be 90°E (east) in the Arctic.

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I hope this helps! Sorry if it doesn't!

Have a great day and God bless! :)

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