What does KE= 6250J =
Answers
The kinetic energy of 6250 J equals 6250 J work-done in stopping the object in motion.
The given parameters;
Kinetic energy, K.E = 6250 JAccording to work-energy theorem, the work done in stopping a moving object is equal to the kinetic energy of the moving object.
Kinetic energy is the energy possessed by an object by virtue of its state of motion.
Work-done in stopping the object in motion = K.E = 6250 J.
Thus, we can conclude that the kinetic energy of 6250 J equals 6250 work-done in stopping the object in motion.
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Answer:
K = 6250J/E
E = 6250J/K
J = EK/6250
Explanation:
Related Questions
What does a virus need to replicate?
A. Ribosomes
B. Proteins
C. Nothing
D. Replication machinery of a cell
Answers
Which hormone would NOT be produced if you blocked the activity of 5-alpha- reductase? Select one: a. Testosterone b. Estradiol c. Progesterone d. DHT
Answers
DHT. Blocking the activity of 5-alpha-reductase would prevent the conversion of testosterone into DHT, so DHT would not be produced.
Testosterone is the main ans, as it is the hormone that is converted into DHT by 5-alpha-reductase. Estradiol and progesterone are not directly affected by 5-alpha-reductase activity.
5-alpha-reductase is an enzyme that converts testosterone into dihydrotestosterone DHT. If you blocked the activity of 5-alpha-reductase, DHT production would be inhibited, while the production of the other hormones listed testosterone, estradiol, and progesterone would not be directly affected.
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A membrane that is semipermeable has control over what molecules or ions can enter or leave the cell. this statement is :
- False
- True
Answers
Answer:
yeah it is true it controls what enters or leaves the cell
Under the Environmental Assessment, Threatened or Endangered Species, and Wetlands Addendum attached to the contract from Johnson to Swanson, who pays for the environmental assessment?
Answers
"Under the Environmental Assessment, Threatened or Endangered Species" The cost of the ESA will be transferred to the buyer if the lender pays for it beforehand consequently Swanson will pay for the environmental evaluation. This is further explained below.
Definition of Environmental Impact Statement?An EIA provides insight into the feasibility of a project and is thus a key component of the Environmental Assessment.
In conclusion, ESA costs will be transferred onto buyers if lenders pay for them up in advance, so Swanson will pay for an environmental evaluation.
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Charles Keeling's work at the National Oceanic and Atmospheric Administration (NOAA) Mauna Loa Observatory
paved the way to understanding how human activities can lead to global warming.
Which greenhouse gas did Charles Keeling measure at the observatory?
A)
carbon monoxide
B)
methane
C)
nitrous oxide
D)
carbon dioxide
Answers
Answer:
D) carbon dioxide
Explanation:
Carbon dioxide (CO2) is the most important greenhouse gas which is known to absorb heat that would otherwise be lost to space. It has been shown that CO2 causes approximately 80% of global warming. Different human activities, but especially the burning of fossil fuels, are the main cause of global warming. It has been estimated that 40 billion metric tons of CO2 produced by human activities are being discharged into the atmosphere annually. Other human activities associated with global warming by increasing the concentration of CO2 in the atmosphere include deforestation and cement production.
¿Cuál es el número total de cromosomas?
Answers
Los seres humanos tienen 23 pares de cromosomas. Pero un total de 46.
¡Espero que sirva de ayuda!
is depression and obsession is a bad thing
Answers
Answer:
in all points of view yes, I think that therapy would be a good idea, therapy is great to help in this case
Explanation:
Shane’s lungs are not fully developed since she was born prematurely. What possible complication can occur to her?
Answers
One possible complication that can occur to Shane due to her underdeveloped lungs is respiratory distress syndrome (RDS).RDS is caused by a lack of surfactant in the lungs.
The lungs of a fetus start making surfactant during the third trimester, which starts after the 26th week of pregnancy. Surfactant is a foamy substance that keeps the lungs fully expanded so that newborns can breathe in air once they are born. RDS is a condition where the lungs are not fully developed and cannot provide enough oxygen to the body. This can lead to difficulty breathing, rapid breathing, and a bluish tint to the skin due to lack of oxygen. RDS is more common in premature babies, as their lungs are not fully developed at birth. Treatment may include the use of a ventilator to help with breathing and medications to help the lungs develop more quickly.
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In anatomical position, which term locates the little finger in relation to the thumb?
Answers
Answer:
pinky
Explanation:
Activity 1. Fill Me
Directions: Complete the passage with the correct answer. Write your answers on the space
provided.
(1)
is a process of taking in digested food nutrients into the cell
by providing materials in building new protoplasm and energy needed during the cell activities.
After the absorption process, the digested food products such as the glucose, amino acids,
and fatty acids are in the
(2)
This process basically means
(3)
when they are not yet needed and reuse them whenever they will
be required.
Answers
Explanation:
1) phagocytosis
2) cytoplasm
3)feeding
Which outcome results when a liquid is heated?
Answers
Answer:A given liquid will evaporate more quickly when it is heated. This is because the heating process results in a greater fraction of the liquid's molecules having the necessary kinetic energy to escape the surface of the liquid.
Explanation:90
Answer:
Evaporation is the results when a liquid is heated. The kinetic energy of the liquid increases.
Explanation:
Brainliest pls! :)
Which part of the male reproductive system does the arrow indicate?
OA. An epididymis
OB. A vas deferens
OC. A seminal vesicle
OD. The urethra
Answers
Answer:
Which part of the male reproductive system does the arrow indicate?
OD. The Uthera
Write the complementary pair for this sequence
3' ATGGCTACAAAGCC5'
Answers
The complementary of A is T and for G is C, therefore the complementary sequence should be …. TACCGAACT…
What is the complementary sequence for 5 ATCG 3?Adenine builds the double bond with thymine while guanine makes the triple bond with cytosine which method adenine and thymine complementary base pairs and cytosine and guanine are complementary base pairs. The complementary sequence for the DNA shore 5' ATCGAACGT 3' is 3' TAGCTTGCA 5'.
Because of complementary base-pairing, this action generates a new strand of mRNA that is ordered in the 3' to 5' direction. As the RNA polymerase continues
So we can conclude that For the DNA strand 5'-TACGATCATAT-3' the right complementary DNA ... First write the accurate base pairing below the original sequence and ...
Missing:
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Cells are complex structures. Drag the cell component or organelle to its appropriate location on the cell. (Roll over the diagram for a hint.) Peroxisome Cell nucleus Ribosomes Mitochondrion Cytoplasm Ranns Lysosome Cell membrane Golgi complex
Answers
Cell nucleus: Located in the center of the cell, the cell nucleus is a large organelle that contains the genetic material of the cell.
Peroxisome: These organelles are involved in breaking down molecules and regulating oxidative reactions. They are located throughout the cytoplasm.
Ribosomes: Tiny organelles scattered throughout the cytoplasm, ribosomes are involved in the production of proteins.
Mitochondrion: Found in the cytoplasm, mitochondria are responsible for generating energy for the cell.
Cytoplasm: The cytoplasm is a gel-like substance that fills the space between organelles and the cell membrane.
Lysosome: Found throughout the cytoplasm, lysosomes are responsible for breaking down molecules and releasing waste.
Cell membrane: The cell membrane is a thin, flexible layer that surrounds the cell, separating the cell from its environment.
Golgi complex: Located near the nucleus, the Golgi complex is involved in sorting, modifying, and packaging proteins and lipids.
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Why is it more likely that life existed on Mars billions of years ago rather than it does now?
Answers
The combination of more favorable conditions in the past and the harsh present-day environment on Mars makes it more likely that life, if it ever existed, was more prevalent billions of years ago rather than at present.
It is more likely that life existed on Mars billions of years ago rather than currently due to several factors:
Ancient Conditions: Billions of years ago, Mars had a more favorable environment for life. There is evidence of liquid water on the Martian surface, ancient riverbeds, and the possibility of a thicker atmosphere. These conditions could have provided the necessary ingredients and habitats for life to emerge.Loss of Atmosphere: Over time, Mars lost much of its atmosphere, leading to a thinner atmosphere today. The loss of atmosphere resulted in a decrease in surface pressure and increased exposure to harmful radiation, making it more challenging for life to thrive.Harsh Present Conditions: Present-day Mars is a harsh environment with extreme cold, low atmospheric pressure, and high levels of radiation. These conditions make it difficult for complex life forms as we know them to survive. However, some extremophile microorganisms capable of surviving in extreme environments on Earth raise the possibility of microbial life existing in specialized niches on Mars.Lack of Direct Evidence: While Mars exploration missions have discovered evidence of water and the potential for habitability, there is no conclusive evidence of past or present life on Mars. However, the discovery of organic molecules and the detection of methane in the Martian atmosphere hint at the possibility of ancient life or ongoing microbial activity.To know more about Martian surface
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PLEASE HELP! WILL GIVE BRAINLIEST!
Why does blue light cause a negative photosynthesis rate? (If algae is grown under blue light, why is the rate of photosynthesis slower than other colors?)
Answers
Blue photons drive the photosynthetic reaction, although from an energy standpoint, one might consider them less efficient than green or red photons because their high energy isn't fully utilized; some of the energy is essentially lost compared to photosynthetic photons with a longer (less energetic) wavelength.
Health Economics True or False and justify your answer. "According to the Grossman Model, if a new drug were discovered that elminated the steady deterioration of health that accomanies aging-but does not eliminate sudden events like heart attacks or being hit by a bus-then the demand for jelly donuts, french fries, and physical activity in the presence of buses would decline. Justify your answer.
Answers
The given statement is True. The Grossman model of Health Economics states that if there is an invention of a new medicine or drug which can slow down the aging process but cannot prevent it completely, then the demand for junk food like jelly donuts, french fries, and physical activity would decline.
However, sudden events like heart attacks or accidents like being hit by a bus may still occur. The Grossman model of health capital implies that the demand for unhealthy activities (such as smoking, drinking, etc.) increases with a decrease in an individual's health capital. An increase in the demand for healthy goods, such as medical checkups, healthy food, and a clean environment, can raise an individual's health capital.
Therefore, if a drug is invented that can slow down the aging process, the demand for unhealthy food items like jelly donuts, French fries would fall and physical activity would also be minimized due to the slowdown in the aging process. Hence, the given statement is True.
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A Punnett square is a type of model. Which type of model does this Punnett square represent?
a)conceptual
b)functional
c)mathematical
d)physical
Answers
Answer:
c
Explanation:
it uses percentages, like 50% Aa, 25% aa and 25% AA
Which of the following cells secretes CSF into the ventricles of the brain?
ependymal cells
microglia
basal nuclei
substantia nigra
Answers
The cells that secrete cerebrospinal fluid (CSF) into the ventricles of the brain are known as ependymal cells. Ependymal cells are specialized cells that line the ventricles and central canal of the spinal cord so the correct answer is ependymal cells.
Ependymal cells have cilia on their surface, which help to circulate the CSF. These cells are responsible for the secretion of CSF and the regulation of its composition. They also serve as a barrier between the CSF and the brain tissue, helping to maintain the appropriate environment for neural function.
Microglia, basal nuclei, and substantia nigra are not involved in the secretion of CSF. Microglia are immune cells in the central nervous system that help protect against pathogens and remove cellular debris. Basal nuclei are involved in motor control and coordination, while the substantia nigra is primarily associated with the production of dopamine.
In conclusion, ependymal cells are the specific cells that secrete CSF into the ventricles of the brain, while microglia, basal nuclei, and substantia nigra have different functions within the brain.
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If new genetic variation in the experimental populations arose solely by spontaneous mutations, then the most effective process for subsequently increasing the prevalence of the beneficial mutations in the population over the course of generations is
Answers
Answer:
binary fission
Explanation:
Binary fission is the main type of reproduction of prokaryotic organisms. In binary fission, the prokaryotic cell first duplicates its DNA and then divides into two cells, each one receiving one complete DNA molecule. Since binary fission is a type of asexual reproduction, this process increases the prevalence of beneficial mutations in a bacterial population. Moreover, transduction refers to the process by which a virus transfers genetic information from one bacterium to another bacterium. Conjugation is also a sexual mode of transfer of DNA from a donor (F+) to a recipient (F−) bacterial cell by direct cell-to-cell contact. Finally, transformation refers to the transfer of genetic material by which bacteria take up exogenous DNA from the environment and integrate it in their genomes.
Which statement about the effects of natural events and human activities is true?
A.The environment is not usually affected by natural events
B.Human activities and natural events can damage the environment.,
C.Natural events always have a positive impact on the environment.,
D.All human activities change the environment in a negative way.
Answers
Answer:
B. Human activities and natural events can damage the environment.,
Explanation:
Human activities are those activities carried out by a human being. The environment is being degraded daily as a result of the activities of man as well as natural occurrences e.g earthquake, tsunami, wild fire etc.
Human activities also called anthropogenic activities that damage the environment include sewage pollution, burning of fossil fuels, oil spillage etc. Hence, according to this question, human activities and natural events can damage the environment.
Which of these is evidence of global warming?
A. Overall rising sea levels
B. Stable precipitation patterns
C. An increase in the size of glaciers
D. Falling global temperatures
Answers
Answer:
the answer to your question is A. Warmth = melting ice = more water = rising sea levels.
1. Explain the pathway of Endosymbiosis, and explain the job of all the organelles involved.
Answers
Answer:
All living things are made up of cells. Even though there are many millions of life forms on earth, all of them are made up of only two basic types of cell: prokaryotes and eukaryotes.Cells contain DNA. Prokaryotes (pro-carry-oats) are small and simple and have rings of circular DNA floating free inside the cell. Eukaryotes (you-carry-oats) are large and more complex.
A study was conducted in a particular preschool to investigate whether there is a link between breastfecding and a child's level of intellectual functioning, 20 breastfed and 40 not breastfed (non-breastfed) four year old children were involved. Each child is allocated a unique ID number between 1 and 60 (inclusive). Each child had to answer a few basic questions. To motivate them to answer all questions, the investigator offered Whittaker's Miraka Kirīmi (chocolate) bar. (a) For each of the following scenarios, identify the named distribution that can be used to model X, including its parameter(s). i. Each day a randomly chosen child is given a chocolate bar. All 60 children are in the draw every day. Let X be the number of days before the child with ID number 1 is chosen twice. Note that the day on which the child with ID number 1 is chosen for the second time is not counted. [2 marks] ii. Five children are randomly chosen to sit around one table and do their test. Let X be the number of non-breastfed children chosen. [2 marks] (b) Refer to your choice of named distribution in 2(a)ii above and answer the following questions. i. Find the expected value of X,E(X), and the variance of X,Var(X). [2 marks] ii. What is the probability that at least one child in the group of five children chosen to do the test is breastfed? [2 marks]
Answers
The variance of X, Var(X), for the hypergeometric distribution, the formula is: 1.67
How to calculate the valueThe hypergeometric distribution has three parameters:central idea
N: the total population size (60 children in this case)
K: the number of success states in the population (40 non-breastfed children in this case)
n: the number of draws (5 children chosen in this case)
To calculate the variance of X, Var(X), for the hypergeometric distribution, the formula is:
Var(X) = n * (K / N) * ((N - K) / N) * ((N - n) / (N - 1))
Using the same values as before, we have:
Var(X) = 5 * (40 / 60) * ((60 - 40) / 60) * ((60 - 5) / (60 - 1))
= 1.67
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which of the following scientists can be identified as a taxonomist?
Answers
Answer: Taxonomy is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world. Using morphological, behavioral, genetic and biochemical observations, taxonomists identify, describe and arrange species into classifications, including those that are new to science.
what are the the independent and control variables in onion cell and cheek cell experiment
Answers
The Independent Variable is the magnification: either scanning electron, or surface.
The Dependent Variable is the microscope
Controlled Variable: The two types of cells: Onion, and the Cheek Cell
What is control variable?
Anything kept constant or constrained in a research study is referred to as a control variable. Despite not being relevant to the study's objectives, this variable is controlled because it might have an impact on the results.
Separately inserted in the glass slide and covered with a coverslip are a thin layer of onion and cheek cells. Colored dye can be used to stain the cheek cells and onion cell layer. Magnification can be changed by the researcher.
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Please help me I need this
Answers
Answer:
1. Alice, Leopold, and Beatrice
2. You are correct
3. You are correct
4. Maria Christina would be at least a carrier of the allele
Explanation:
How many neutrons does Phosphorus have? Use the diagram below to help find the amount:
Answers
Answer:
16
Explanation:
the drug used against intestinal anaerobic bacteria, that can also alter normal biota leading to antibiotic-associated colitis, is chloramphenicol. clindamycin. ciprofloxacin. bacitracin. gentamicin.
Answers
Clindamycin is a lincosamide antibiotic that has been accredited through the United States Food and Drug Administration for the remedy of anaerobic, streptococcal, and staphylococcal infections.
Anaerobes are micro organism that don't require oxygen to live. It’s generally used to healthy into agencies primarily based totally on their gram stain into gram-superb and gram-bad and into cocci and bacilli primarily based totally on their morphology. Of these, excellent pathogenic gram-bad bacillus-formed traces are Prevotella, Fusobacterium, Bacteroides, and Porphyromonas.
Clindamycin works generally through binding to the 50s ribosomal subunit of micro organism. This agent disrupts protein synthesis through interfering with the transpeptidation reaction, which thereby inhibits early chain elongation. Chloramphenicol and macrolides consisting of erythromycin, clarithromycin, and azithromycin additionally act on the 50s ribosomal subunit and might compete for binding at this site.
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Which of the following is the most frequent route of exposure to a latex allergy? a)Parenteral b)Inhalation c)Cutaneous d)Mucosal.
Answers
The most frequent route of exposure to a latex allergy is typically through cutaneous contact, which refers to skin contact with latex.
The most frequent route of exposure to a latex allergy is typically through cutaneous contact, which refers to skin contact with latex. This can happen when individuals come into contact with latex gloves, medical devices, or other latex-containing products. The proteins in latex can then penetrate the skin and cause an allergic reaction. However, exposure can also occur through mucosal contact, such as contact with the eyes or mouth, or through inhalation of latex particles in the air. Parenteral exposure, which refers to exposure through injection or infusion, can also cause a latex allergy, but it is less common. It is important to note that while latex allergies are relatively uncommon, they can be severe and life-threatening, and those who are at risk should take precautions to avoid exposure.
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