A 7 kilogram cat is resting on top of a bookshelf that is 1 meters high. What is the cat’s gravitational potential energy relative to the floor ?

Answers

Answer 1
The equation of motion that is suitable for this situation is:
Potential energy = MgH, Where:
M = mass = 7
g = gravitational acceleration = 9.8 m/s
H = height = 1
Potential energy = mgh = 7 * 9.8 * 1 = 68.6.
Therefore, the gravitational potential energy relative to the floor is approximately 69 J.

Related Questions

Baking soda (sodium bicarbonate) dissolved in the water, releasing carbon dioxide. Why was it important to add the baking soda?

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The reaction of sodium bicarbonate (baking soda) and acetic acid (vinegar) produces carbon dioxide gas, water and sodium acetate (soluble in water). The carbon dioxide gas can originally be seen as bubbles in the solution, but will quickly be released from the solution.

Which statement best explains why the development of a new area of science can lead to changes in a theory? A.A new area of science attracts new scientists who study old theories for flaws. B.A new area of science promotes experimentation from a different point of view. C.A new area of science allows old theories to be reworded using new terminology. D.A new area of science encourages scientists to replace old theories with modern ones.

Answers


science continues to revolutionalize urban civilization and the states of theories and existing notions. The notions from the old times cannot be true when the new times come. This can be because of the evolution of technology that verifies notions after notions. The statement that makes sense here is b
Final answer:

A new area of science can lead to changes in a theory by promoting experimentation from a different point of view(B).

Explanation:

The correct answer is (B). A new area of science promotes experimentation from a different point of view. When a new area of science is developed, it often brings along new methods and technologies that allow scientists to explore old theories from a new perspective. This can lead to new experiments and observations, which may either support or challenge existing theories and ultimately lead to changes in them.

When scientists explore new areas of science, they often bring fresh perspectives and innovative methods to their research. This can lead to new experiments and observations that challenge or expand existing theories, ultimately contributing to the evolution and refinement of scientific theories.

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One of the nurses describes a disorder by telling the group that it is common in children during the summer when it is hot or when the child is overdressed. which disorder is the nurse most likely referring to?

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This nurse is most likely describing a heat stroke.That happens when the child’s body can’t spread or handle the heat because it is trapped under the clothing

Are gametes haploid or diploid? what about the offspring, are they haploid or diploid?

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CCCCCCCCCCCCCCCCCCCCCCCCCCC

2nd one

hope this helps


Which of the following is an assistive bioengineered product?
a. a hip replacement
b. a pair of crutches
c. a graft of artificial skin
d. a vaccination

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The answer should be C.
Hope this helps;)

Corn smut and wheat rust are crop diseases caused by ______ fungi.


A. Sac
B. Club
C. Zygote
D. Chytrid

Answers

Answer:

B. Club

Explanation:

Corn smut is caused by Ustilago maydis while wheat rust is caused by Puccinia triticina. Both Ustilago maydis and Puccinia triticina are classified under division Basidiomycota. Basidiomycota is also called as club fungi. These fungi form specific club-shaped fruiting bodies called basidia. Basidia are the site for the formation of basidiospores.

Both Ustilago maydis and Puccinia triticina are organised under division Basidiomycota. Basidiomycota is also called as club fungi. These fungi form specific club-shaped fruiting bodies called basidia.

What are corn smut and wheat rust caused by?

The corn smut, a plant disease induced by the fungus Ustilago maydis, strikes corn (maize) and teosinte plants.

The condition reduces grain yields and can cause financial losses, though in Mexico the naive galls of infected ears of corn are eaten as a fineness known as huitlacoche.

Thus, option "C" is correct,  fungi form specific club-shaped fruiting bodies called basidia.

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The DNA sequences that make up the genetic code of an organism determine which traits the organism will exhibit. How are the instructions coded by DNA translated into an organism's physical traits?

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The DNA sequences that make up the genetic code of an organism determine which traits the organism will exhibit. How are the instructions coded by DNA translated into an organism's physical traits? Instructions coded by DNA sequences are translated into proteins which express an organism's physical traits.

DNA is a genetic material, which is present in the nucleus of a eukaryotic cell. The coding part of the DNA, known as genes makes up the genome of an organism.

DNA is a double-stranded helical structure, which is made up of a pentose sugar, nitrogenous bases, and phosphate backbone.

The nucleotide sequence in the DNA is translated into the proteins via transcription and translation.

These proteins or the long chain of amino acids code for the phenotypes or physical traits of an organism.

The base pairs are read in the form of triplets, known as codons. Each codon represents an amino acid, which is then linked to form a long chain.

Thus, the instructions are coded in the form of codons or triplets, which help in the translation of DNA to proteins.

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"________________ measures blood flow to brain areas in the active brain."

Answers

fMRI  or Magnetic Resonance Imagining

Which is considered the first stage of the cell cycle?

Answers

The phases go prophase, metaphase, anaphase, and telophase starting with interphase. But the first stage would be Interphase.

Answer:

C

Explanation:

I just took the test

Select all the reasons why strs are commonly examined in dna profiling.

Answers

STRs is an abbreviation for "Short Tandem Repeats," which are repeated DNA segments, around 2-6 base pairs long. 
 
It is also used in DNA typing/profiling to compare specific loci on DNA from two or more samples. It is commonly used in forensic analysis to distinguish one DNA profile to another because there is very little chance that the STR pattern at all the loci of the DNA of one person is identical to another (unrelated person). In addition, the high variability in the number of repeats of the STRs makes it extremely variable to discriminate DNAs of different individuals. 

Short Tandem Repeat (STR) analysis could be a common biological science method accustomed compare allele repeats at specific loci in DNA between two or more samples.

Further Explanation

A brief tandem repeat could be a microsatellite with repeat units that are 2 to 7 base pairs long, with the quantity of repeats varying among individuals, making STRs effective for human identification purposes. This method differs from fragment length polymorphism analysis (RFLP) since STR analysis doesn't cut the DNA with restriction enzymes. Instead, polymerase chain reaction (PCR) is utilized to get the lengths of the short tandem repeats supported the length of the PCR product.

STRs are short sequences of DNA, normally of length 2-5 base pairs, that are repeated numerous times during a head-tail manner, i.e. the 16 bp sequence of "gatagatagatagata" would represent 4 head-tail copies of the tetramer "gata". The polymorphisms in STRs are thanks to the various number of copies of the repeat element that may occur during a population of people.

STR analysis could be a tool in forensic analysis that evaluates specific STR regions found on nuclear DNA. The variable (polymorphic) nature of the STR regions that are analyzed for forensic testing intensifies the discrimination between one DNA profile and another. Scientific tools like FBI approved STRmix incorporate this research technique. Forensic science takes advantage of the population's variability in STR lengths, enabling scientists to tell apart one DNA sample from another. The system of DNA profiling used today relies on PCR and uses simple sequences or short tandem repeats (STR). This method uses highly polymorphic regions that have short repeated sequences of DNA (the most typical is 4 bases repeated, but there are other lengths in use, including 3 and 5 bases).

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The _____ of an embryo differentiates into the nervous system and the skin.

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The  endoderm  of an embryo differentiates into the nervous system and the skin.

A new nurse observes a priest visiting the clients every saturday afternoon and praying with them. this activity supports which of the nursing outcomes?

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The activity is supporting the client in means using this as a type of spiritual experience that will provide her or his needs in terms of spiritual in face of what the client is experiencing given that he or she is admitted to the hospital.

The client uses a type of spiritual experience that provides her comfort. As with other age groups, listening and support are important as older adults deal with health and illness. Older adults used several religious or spiritual interventions with health professionals and also in isolation. Interference that were effective comprised being involved in family activities, helping others, and remembering positive opinions and reminiscences. Utmost older adults are contributing in conventional religious live out such as worship and prayer either alone or in groups. Since these activities, traditions, and rituals are meaningful to older adults, encouraging contribution in these or are connection with these activities can be helpful.

In plasma membranes, phospholipids arrange themselves into two layers (bilayer)

Answers

what is the question you are asking
The hydrophilic (polar) group and hydrophobic tails (fatty acid chains) are depicted in the single phospholipid molecule.


I am guessing that is what you wanted?

Why is it important to strengthen deep back muscles as well as abdominal wall muscles?

Answers

It is important to equally strengthen these muscles as they both work to support each other and the spine, to have a strong front will exert unnecessary pull and pressure on the spine without the deep back to compensate.
It is important to strengthen both the abdominal wall muscles and deep back muscles as they provide support to the body. The abdominal muscles support the torso and allow movement as well as hold organs by controlling internal abdominal pressure. As for the deep wall muscles, they make up the core muscles to keep the body well supported and balanced. They also protect the spine. 

Which character says the flowers smell like halibut? A. the speaker of "Ten Kinds" B. the speaker of "Since Hanna Moved Away" C. Jonathan Bing D. Eat-it-all Elaine

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your answer is b, the speaker, hope that helped 
 

What does the chloroplast do?

Answers

chloroplast absord sunlight and use it in conjuction with water and carbon dioxide.
The chloroplast coverts the suns energy into sugars a food for the plant

What is the advantage of the rough surface lining of the intestine?

Answers

The rough lining of the intestine is an integral part of the digestive tract. The rough lining greatly increases the intestine's surface area. This is important because it allows the intestine to absorb more nutrients.

Final answer:

The rough surface of the intestine, characterized by villi and microvilli, greatly expands the surface area for digestion and absorption, slows the passage of chyme, and ensures efficient nutrient uptake into the blood and lymph vessels.

Explanation:

The advantage of the rough surface lining of the intestine, such as the villi and microvilli, is that it significantly increases the surface area available for nutrient absorption. The mucosa of the small intestine is wrinkled and covered with villi, which number about 20,000 per square inch, and each villi is topped with even finer projections called microvilli, further boosting the surface area. This anatomy allows for maximum exposure to digestive enzymes and efficient absorption of nutrients into the bloodstream.

These structures not only enhance the surface area but also slow down the passage of chyme, providing more time for digestion and absorption of nutrients. The internal structure of each villus includes a dense network of blood and lymph vessels, which transport the absorbed nutrients throughout the body. Hence, the bumpy interior of the intestines, which can be likened to a shag carpet with folds, is foundational to the digestive and absorptive functions of the small intestine.

Overall, this complex interior design allows for a staggering increase in surface area – up to 600 times compared to a smooth tube – which is crucial for effective nutrient uptake. More surface area equates to more interaction with enzymes and nutrient molecules, facilitating a more efficient and thorough absorption process.

PLEASE HELP!!!!What organ is part of the respiratory system of tigers? A. lungs B. gills C.tracheae D. skin

Answers

well i do believe it would be the same as humans..(lungs would be the answer)
Its either lungs or the tracheae im not so sure yet myself but dont animals have similar features as humans 

The ____ is/are involved in the synthesis of lipids.

Answers

When analyzing the specific components of a cell that are responsible and involved primarily in the synthesis of lipids within the cell, it is found that the smooth endoplasmic reticulum has a foremost role in turning lipids and fats from one form, into another more useable form.

List two functions of territory in the animal kingdom and provide one example of how territory in human culture is different.

Answers

Territory in the animal world is a geographic range used for food acquisition (hunting) and access to mates. In human culture territory is different because it usually refers to ownership of material goods.

Luis is 23 years of age and weighs 220 pounds. based on his body weight, his rda for protein is ____ grams.

Answers

His RDA for protein is 100.

Answer:

The RDA for Luis Protein is 79.20 grams.

Explanation:

RDA stands for Recommended Dietary Allowance and is characterized by calculations that show the amount of nutrients, protein, carbohydrates, fats and other factors that are required for good nutrition for each person. Calculations are based on the weight of each individual. In the case of Luis who has a weight of 220 pounds, to know his protein RDA, we must multiply his weight by 0.36. Thus, we will know that the RDA for proteins is equal to 79.20 grams, for Luis.

Professionals using electroconvulsive shock therapy (ect) for patients suffering from severe depression have shown that the memory processes of consolidation ________.

Answers

The ECT treatment includes electric stimulus used to produce a generalized seizure. Professionals using electroconvulsive shock therapy (ECT) for patients suffering from severe depression have shown that the memory processes of consolidation may take years to return.

Memory consolidation is the storage of long term memory in neurons. Memory processes of consolidation after ECT can take many years to complete. There is evidence that sleep can improve memory consolidation.

What do bacteria and giraffes have in common?

Answers

They both grow and develop. 

Which of these advantages to social media as a new media, could also be viewed as a disadvantage

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The disadvantage of having imformation at your fingertips is that not all of information could be true but only mere ideas or theories and that having alot of information can be overwhelming to the point where you can process so much information you might forget about the important things you come across for some propaganda trying to get your attention

Answer:

This transition level allows emergency manager to study the social media medium and language used in order to better understand

Explanation:

Recurrent epidemics and widespread diarrhea, which kill millions of children each year, result from __________.

Answers

Regular epidemics and extensive diarrhea in which exterminate millions of children each year was a consequence from inadequate sanitation facilities. In addition, the women inferior social status in the global south is established by statistics on right to use to clean water.

A tobacco plant is heterozygous for the genes for long stems (Ss), large leaves (Ll), and fibrous roots (Rr). It is crossed with another tobacco plant with genotype ss ll rr. How many of the 80 offspring of this mating will be heterozygous for all three genes? These genes are not linked. Hint: create three separate Punnett squares and use the product rule

Answers

Firstly, start by doing Punnett squares for each of the characteristics. Attached are the three Punnet squares, made by me, as they should look in end.

For each of the Punnet squares, one characteristic each, we find that half of the offspring will be heterozygous for that characteristic.
Therefore, according to the product rule, you should now multiply the quantity of heterozygous for each characteristic and then obtain the total part of the offspring that's fully heterozygous.

[tex] \frac{1}{2} [/tex]Ss×[tex] \frac{1}{2} [/tex]Ll×[tex] \frac{1}{2} [/tex]Rr=[tex] \frac{1}{8} [/tex]SsLlRr

Total offspring×[tex] \frac{1}{8} [/tex]=10
There is 10 plants in the total offspring that are heterozygous for all the considered three genes.

If the gametes produced by a given organism contain 6 chromosomes, how many chromosomes are found in that organism's body cells?

Answers

There would be 12 chromosomes found in that organism's body cells. I know this because the # of chromosomes is half the number of body cells. 

what is the function of the sinoatrial node?

Answers

since the other answer got deleted, i'll just answer it for you.

a sinoatrial node is the main pacemaker that begins each heartbeat located in the junctions of superior vena cava and the right atrium. It signals from the node that spread through the atria and determines the heart rates.

The sinoatrial (SA) node is the heart's primary pacemaker, generating electrical impulses to initiate normal sinus rhythm. Located in the right atrium, it coordinates the heart's contraction by setting a rhythm of 60-100 beats per minute. If the SA node fails, the AV node can act as a secondary pacemaker.

The sinoatrial node (SA node) plays a crucial role in the heart's electrical system. Here are its primary functions:

Impulse Generation: The SA node generates electrical impulses (action potentials) that set the pace for the heart's rhythm.Primary Pacemaker: It is known as the heart's primary pacemaker because it has the highest rate of depolarization and initiates the normal sinus rhythm.Location and Structure: Located in the right atrium, the SA node consists of specialized cardiac muscle cells (myocardial conducting cells).Rate of Discharge: These cells typically discharge at a rate of 60-100 beats per minute in a resting adult.Coordination of Contraction: The electrical impulses generated by the SA node travel through the heart's conduction system, ensuring smooth and coordinated contractions.Backup Mechanism: If the SA node fails, other components like the atrioventricular (AV) node can take over its pacemaking role, although at a slower rate.

Which of the following events represented a distribution in access to the energy source needed by an organism?

Answers

From my research, the question is 'Which of the following events represented a DISRUPTION in access to the energy source needed by an organism'?
The correct option is this: A CACTUS IS MOVED FROM A SUNNY WINDOWSILL TO A DARK ROOM.
A cactus is a photosynthetic plant, that is, it has the ability to manufacture its own food via the energy obtained from the sun. The sunlight energy is very important to the cactus plant because, without it the plant can not manufacture any food and without food the plant will die. When the cactus plant is moved to a dark room where there is no sunlight that it can use to manufacture food, this will cause a disruption to the plant's access to energy source of sunlight.

Hannah has just been diagnosed with terminal cancer. she has been given only 6 months to live and is feeling very stressed. if hannah uses emotion-focused coping to deal with her stress, what would you expect her to do?

Answers

Hello There!

She would try to distance herself from the problem and ignore the diagnosis. She'd continue with her life as she was.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
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