A student swings his keychain around in a circle. What is the source of the centripetal force for this action?

Answers

Answer 1
The source of the centripetal force for this action is tension

Hope that helps :)
Answer 2

Answer:

The correct answer will be- tension

Explanation:

Centripetal force is the force acting on the object moving in a circular path with direction towards the center. The centripetal force causes the object to follow a curved path.

Three forces together act on the string with key: Tension (a force acting on the key chain due to string), gravity (the downward force), and friction (resisting force). Out of these the main source of action of centripetal force is the "tension" applied by the string on the key-chain.

Thus, tension is the answer.


Related Questions

Which structural feature increases the small intestine's area

Answers

The answer is Microvilli for your convience.

what level of organization is shown here?

Answers

I don't know if they might be tricking you or something but I believe the only level of organization found in the human heart is: organ. 
 HOPE IT HELPED! :)

tall grasses, acacia trees belong to what biome

Answers

somewhere with acacia trees

An organism had a gene sequence ATGGATACGT that underwent mutation in the noncoding region and formed ATGCGATACGT. The sequence underwent insertion mutation.will This mutation alter the protein function.

Answers

An insertion mutation in the noncoding region of a gene may not alter the protein function directly but can affect gene expression or regulation.

The student's question asks whether an insertion mutation in the noncoding region of a gene will alter the protein function. If the sequence ATGGATACGT underwent an insertion mutation and formed ATGCGATACGT, this added base is within the sequence but we cannot determine the effect on the protein function without knowing if the mutation is within the coding or noncoding region. Since the question specifies that the mutation is in the noncoding region, this mutation may not affect the protein directly. However, it's important to understand that changes in noncoding regions can sometimes affect gene expression or regulation, potentially leading to changes in the amount of protein produced or the timing of its production without altering the amino acid sequence of the protein itself.

What is the taxonomy of each organism from largest to smallest grouping?

Answers

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

A chemical bond resulting from the loss or gain of electrons and the subsequent attraction of oppositely charged atoms

Answers

Polar bonds are when negatives and positives are attracted to eachother

4.   A stress is considered a "bad" stress when it        A. cannot be eliminated.   B. keeps a person from feeling good.   C. challenges a person to do better.   D. doesn't lead to a productive end.

Answers

I agree. The correct response is B. keeps a person from feeling good.

Drag the labels to the correct locations on these images of human chromosomes

Answers

Final answer:

In Biology, human chromosomes are structures containing our genetic information and consist of three main regions: the centromere, the short arm (p), and the long arm (q). A standard human cell contains 23 pairs of chromosomes, totaling 46.

Explanation:

The request to 'drag the labels to the correct locations on these images of human chromosomes' involves an understanding of human genetic structure. Human chromosomes consist of DNA and proteins and they carry our genetic information. A typical human cell contains 23 pairs of chromosomes, for a total of 46. These include 22 pairs of autosomes and one pair of sex chromosomes, which determine a person's sex.

Generally, each chromosome has three key regions: the centromere, the short arm (p), and the long arm (q). The centromere is what links sister chromatids (the identical copies formed during replication) together. The region above the centromere is known as the 'p' arm, while the region below is the 'q' arm.

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Why does the soil of Antarctica have little organic content?

Answers

The soil of Antarctica has little organic content because it is permafrost. This means that the soil is always frozen because of very cold temperatures. Because of this, usually, little-to-no plants or animals can live in it. 

The soil of Antarctica has little organic content because its frost.

What is the organic contents of soil?

The organic content of soil can be defined as part of the soil that consists of plant or animal tissue in various stages of breakdown (decomposition).

In Antarctica, the temperature is extremely cold which allows little to no plants or animals to survive.

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The diagram shows a plant cell with a large central vacuole. What would happen to this plant cell if the central vacuole was removed? *

It would be unable to conduct cellular respiration.
It would be unable to regulate water storage.
It would be unable to conduct photosynthesis.
It would be unable to divide properly into two new cells.

Answers

The second one I hope this helps

Water at about 4°C (39°F) is more dense than water at 0°C (32°F). Why would the living organisms in the lake die if the water at the freezing point was denser than the water at 4°C?

The water would freeze across the surface of the lake, blocking sunlight necessary for photosynthesis.
The water would freeze across the surface of the lake, blocking the dissolving of oxygen and nutrients.
The freezing water would sink before it could freeze, preventing the lake water from freezing.
The freezing water would sink to the bottom and freeze the lake water from the bottom up.

Answers

The water would freeze across the surface of the lake, blocking the dissolving of oxygen and nutrients. Water is actually less dense when frozen, which is why ice cubes and ice bergs all float. This is also why you can ice skate on a lake if the ice gets thick enough on the surface. Many organisms that live in freezing lakes have special adaptations which help them survive.

Answer:

The answer is D

Explanation:

Just got it right. Trust me its not A.

which of these are not examples of matter
-carbon dioxide
-energy
-heat
-jelly
-sponge

Answers

Your answer(s) are energy and heat(heat is just a type of energy) mark me brainliest if i helped :)


Energy is not an example of matter. So the correct option is B.

What is the matter?

A material called matter is made up of several kinds of particles that take up space physically and have inertia. The many sorts of particles each have a unique mass and size according to the fundamentals of current physics.

The electron, proton, and neutron are the three types of material particles that are most well-known. Atoms are made up of combinations of these particles.

Quarks and leptons, which are both regarded as elementary particles since they are not formed of smaller units of matter, are the building blocks of matter. Protons and neutrons are formed through the interaction of quarks, which are groupings of subatomic particles. Leptons, which are collections of subatomic particles that react to lesser forces, are among the elementary particles that also comprise electrons.

Therefore the correct option is B.

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find the non permissible replacement for a in the expression of 4/-9a?

Answers

Final answer:

The non-permissible replacement for 'a' in the expression '4/-9a' is '0' because it would result in division by zero, which is undefined.

Explanation:

The non-permissible replacement for a in the expression 4/-9a is the value of a that makes the denominator equal to zero, as division by zero is undefined in mathematics. To find it, we set the denominator -9a equal to zero and solve for a:

-9a = 0

a = 0 / (-9)

a = 0

Therefore, the non-permissible value for a in the expression is 0, because it would make the denominator zero and the expression undefined.

Hayden has placed a cricket in a terrarium. He is interested in learning about cricket behavior. Which of the following is a question about cricket behavior that Hayden can answer through a scientific investigation?

Answers

can you attach an image of the questions?? thx

Answer:

How will the cricket behave if another cricket is introduced into the terrarium?

Explanation:

Have a good day :)

Which of the following best describes a way in which all living things organisms are similar

Answers

All living organisms share fundamental characteristics such as cellular structure, DNA as genetic material, metabolism, growth, responsiveness, reproduction, and the ability to adapt through evolution.

All living organisms, from the complexity of a human being to the simplicity of single-celled bacteria, share several fundamental characteristics that define life. Despite the immense diversity found in the biological world, these shared traits illustrate the common evolutionary history of all life on Earth.

Shared Characteristics of Living Organisms

Cellular Organization: All known living entities are composed of one or more cells, which are considered the basic units of life.Genetic Material: Every organism uses DNA to store and transmit genetic information.Metabolism and Energy Processing: Organisms take in energy and transform it to perform all life functions.Growth and Development: Organisms grow and develop according to the data encoded in their DNA.Response to Stimuli: Living things exhibit sensitivity or response to changes in their environment.Reproduction: Life replicates itself through the process of reproduction, which could be asexual or sexual.Evolution and Adaptation: Through the process of natural selection, organisms evolve adaptations to their environment, which is evidenced by the genetic homology in DNA sequences among related species.Homeostasis: They maintain internal balance, or homeostasis, despite changes in the external environment.

How to convert 2.4kg into cg

Answers

(2.4 kg) x (1,000 gram/kg) x (100 cg/gram) = 240,000 cg

Which of the following statements violates the cell theory? A) Mitosis produces new cells identical to the parent cell that divided to make them. B) Viruses are not considered to be living organisms, because they are smaller than a cell. C) Though humans are one organism, they are composed of about 100 trillion individual cells. D) Some scientists believe that prions, tiny proteins much smaller than a cell, that can replicate themselves, may be living organisms.

Answers

The answer is (d.) Some scientists believe that prions, tiny proteins much smaller than a cell, that can replicate themselves may be living organisms.

Prions are like viruses, they are not alive making statement B to be true. Prions lack the ability to grow and reproduce. they are dependent on the living cells to replicate. Statement A is absolutely correct while Statement C is somehow wrong. According to scientists, the accurate count of cells in a human is 37.2 Trillion. 

Answer:

d

Explanation:

In complete sentences, describe how eukaryotic plant cells store and remove waste materials.

Answers

Plant cells have vacuoles and these can either store useful products or waste products. The cell can get ride of the waste by bringing it to the cell membrane and then the cell membrane closes around the garbage.  All of this is possible because of the vacuoles. 

Eukaryotic plant cells store and remove waste materials by:

Using the cell membrane to send them out through the vacuoles

A plant cell that is eukaryotic is one which has a nuclei and contains genetic information.

A eukaryotic plant cell is one that like an animal cell builds up waste materials and it has a special way of disposing of waste through its vacuole where waste products are stored and eventually removed.

As a result of this, we can say that a eukaryotic plant cell stores and removes its waste products from the vacuole, using the cell membrane.

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describe the characteristics of science

Answers

Consistency- Several scientists can repeat an experiment and the results are the same.        Observability- The results or subject of an experiment can be observed by using the five senses or extensions of them.      Natural- A natural cause must be used to explain why or how the naturally occurring result or experimental subject happens. Supernatural can’t be used.        Predictability- Predictions can be made about the subject and can be tested.   Testability- Subject can be tested using a controlled experiment. Tentativeness- Scientific theories are subject to change because of technology. 

Characteristics of science include :

Systematic observationobjective approachObservation and hypothesisTesting and Error estimation'predictabilityStatistical study of data deriving conclusions

About science

Science is a systematic enterprise that built and organize knowledge based on testable experiments, observations and predictions about the universe.

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What is the element of an atom that has six protons and six electrons

Answers

This is known as carbon.

Any atom with 6 protons is carbon. The number of electrons determines whether it is an ion and the number of neutrons determines which isotope it is and contributes to the atomic weight.

Hope this helps!

If you ate bacon and fried eggs for breakfast, the largest component of the energy would come from the A) carbohydrates. B) fats. C) proteins. D) sugars.

Answers

The answer would be C proteins
i think proteins because both are full of it

Extended Response: Explain in your own words why it is important to conserve water. Then list 3 ways in which you can conserve water.

Answers

there are many reasons why we should conserve water. To start water is used on trees which gives use air. Also water is needed by all human beings, it also helps us to stay hydrated. Finally, water is used on millions of households around the world to do everyday things. 

3 Ways to conserve water:
- Take less time showering
- Turn off the tap while brushing your teeth
- Fix your leaks

Hope this helps.

Individual differences with a genetic basis lead to in successive generations

Answers

This leads to variation in a species. This will be how some traits are expressed during a subsequent generation and other traits will be recessed. The genetic basis will allow some traits to eventually appear and others to hide themselves until they become dominant again.

Explanation can sound logical?

Is it:Science or Pseudoscience

Answers

uhhhh science? What is the context behind this question lol

Approximately two-thirds of the mass of a cell is water, and the water is important to maintain the cell's integrity. What would happen to a plant cell during a period of severe drought?

Answers

It would slowly fall apart I hope this helps

Answer: The plant cell would die

Explanation:

Water is one of the important component in the body of the living organism. It is used to maintain the integrity of the cell.

The cytoplasm in the cell is completely made of water and it helps in the various metabolic activities that takes place inside the cell.

The water inside cell helps in providing mobility to the cell. In the period of severe drought, the cells integrity will be disturbed and the cell would die deprived of water.



A material you are testing conducts electricity but cannot be pulled into wires. It is most likely a _____.
metal
nonmetal
metalloid

Answers

It is probably a metalloid
Metalloid is the answer that i get

What is the the result of mixing a water molecule and an oxygen molecule together?
A.they are not attracted to each other because one is polar and one is no polar.
B. They are attracted to each other because they are both polar.
C. They are not attracted to each other because water contains an ion bond.
D. They are attracted to each other because they are both nonpolar.

Answers

Final answer:

Water is a polar molecule with a bent shape that leads to partial charges, while an oxygen molecule is nonpolar. Water and oxygen do not attract each other based on polarity.  So the correct option is A.

Explanation:

The result of mixing a water molecule and an oxygen molecule can be assessed by understanding the polarity of each molecule. Water is a polar molecule due to its bent shape and the difference in electronegativity between the hydrogen and oxygen atoms, leading to partial positive and negative charges at different parts of the molecule. Since the oxygen molecule (O₂) is nonpolar and does not have a separation of charge, water and oxygen are not attracted to one another based on polarity.

Therefore, the correct answer is A. They are not attracted to each other because one is polar and one is nonpolar.

Will pushing on a car always change the car's mechanical energy?

Answers

No! It actually does not, regardless of some beliefs.


I hope this helps! Please give brainliest if possible. ^^

Which statements are true concerning our interpretation of the results of an experiment?

We will always infer a correct conclusion from accurate data.
An experiment performed correctly will always result in the correct interpretation.
Conclusions inferred from data are often judgments.
Judgment may be affected by what we already think is true (prior knowledge).

Select all answers that are correct.
Before we start an experiment, we should check with other people who have performed the same _____.
procedure
experiment
investigation

Answers

For the first question, the correct answer would be the first and third option. Having data that are accurate would allow us to infer a correct conclusion. Also, the conclusions that are inferred are most of the time judgments from the experiment done and the results obtained. For the second question, the correct answer would be the first option. Before starting any experiment, it is strongly recommended to check other experiment procedures that is the same with the one you are going to execute. This is to ensure that  you are using the right method for your experiment. Also, it would allow you to be more confident in the experiment.

Answer:

Conclusions inferred from data are often judgments.Judgment may be affected by what we already think is true (prior knowledge).

Explanation:

hope this helps :)

Viruses cannot reproduce without a host, they do not need to excrete waste nor breathe, but they do die and they do evolve. Scientists, however, do not consider viruses to be living things. Why?

Because living things must exhibit all characteristics of life to be considered living

Because living things must be able to reproduce on their own

Because living things must be able to excrete some form of waste

All of the above are true

Answers

ALL THE STATEMENTS MADE ABOVE ARE TRUE.
Viruses are considered to be non living things because they do not meet many of the criteria that are needed for an organism to be considered a living thing.
 Virus can not replicate on their own, they do not excrete any waste and do not meet all the seven features that living things must exhibit.
Final answer:

Viruses are not considered living things because they do not meet all the criteria of life, such as the ability to reproduce independently and carry out metabolic processes. They depend entirely on host cells for reproduction, lacking the cellular machinery necessary for living organisms.

Explanation:

Scientists do not consider viruses to be living things because they do not exhibit all the necessary characteristics of life. Viruses cannot reproduce without a host, they do not maintain homeostasis, they lack metabolic processes, and they do not grow or respond to their environment in the way living organisms do. Living things must be able to reproduce on their own, maintain a stable internal environment, carry out metabolism, and respond to their environment. Despite sharing some traits with living organisms, such as containing genetic material and the ability to evolve, viruses do not meet all the criteria needed to be considered alive.

The correct answer to the student's question is: 'Because living things must exhibit all characteristics of life to be considered living'. This encompasses the inability of viruses to reproduce on their own, the lack of metabolic processes, and the absence of other life-sustaining activities that are characteristic of living organisms.

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