The work done when lifting the rock is 80 joules.
To calculate the work done, we can use the formula:
Work = Force × Distance × cos(θ)
Where:
Force is the magnitude of the force applied (in newtons).
Distance is the distance over which the force is applied (in meters).
θ is the angle between the force and the direction of motion (in this case, it's vertical, so θ = 0).
In this scenario, the rock is lifted vertically, so the angle between the force and the direction of motion is 0 degrees (cos(0) = 1). Therefore, we can simplify the formula to:
Work = Force × Distance
Given that the rock weighs 10 newtons and is lifted a vertical distance of 8 meters, we can substitute these values into the formula:
Work = 10 N × 8 m = 80 joules
Therefore, the work done when lifting the rock is 80 joules.
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pablo and johanna have to do a yearlong study for their biology course. after some discussion, they decide to try comparing their dogs and the diet that they feed them. each has a dog from the pound, and both dogs are less than one year old. pablo feeds his shepherd-mix dog a special diet of wet and dry foods from the local vet, while johanna uses generic dry kibble from the supermarket for her bulldog. they want to see which diet results in bigger, healthier, faster-growing dogs. according to the information given, one dependent variable in this study will be .
Answer:
In this study, the dependent variable will be the size, health, and growth rate of the two dogs. This will be measured by comparing the size and health of the dogs before and after a period of one year, and by tracking any changes in their growth rate over this period. The independent variable in this study will be the type of diet fed to each dog; one dog will be fed a special diet of wet and dry foods from the local vet, while the other dog will be fed generic dry kibble from the supermarket.
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Write the functions of each of the three basic cell types, and sketch or describe their appearance in the chart below. Don't do the sketch or description part only do the functions part.
PleeeeSEeeee Helpppppppppppppp - ill mark you brainiest !!!
Answer:
C.) The Matrix of the Mitochondria
Explanation:
Cellular respiration begins in the cytoplasm of cells. It is completed in mitochondria
Which explanation is based on empirical evidence? A. The arrangements of stars into constellations happened as a result of the actions of supernatural beings. B. Observations made using telescopes confirm that Earth orbits the Sun. C. The relative positions of the Sun, Earth, and stars can affect human events. D. Ancient texts reveal that the universe is about 6,000 years old. please hurry I really need help
Answer:
B. Observations made using telescopes confirm that Earth orbits the Sun.
Explanation:
An empirical evidence is an evidence derived from careful observation with our senses and through experiments designed in the laboratory. They can be reported either quantitatively or qualitatively.
Observations made using the telescope is made by our sense of sight. Although, a qualitative measurement is made, it is nonetheless an empirical evidence. Most space observations are usually qualitative in nature. The telescope is used for bringing far way places.WILL GIVE BRAINLIEST!!!!
Use the drop-down menus below to identify the organ(s) that is/are responsible for each function of the excretory system.
produces feces
excretes sweat
converts poisonous substances to less toxic forms
excretes carbon dioxide and water
produces urine
Answers:
large intestine, skin, liver, lungs, kidney
Explanation:
large intestine, skin, liver, lungs, kidneyhope it is helpful to you
Answer:
1. Large intestine
2. Skin
3. Liver
4. Lungs
5. Kidney
Explanation:
Bc I said so
The intensity of sunlight on Earth is affected by
A.) the mass of Earth
B.) the speed of Earth
C.) the number of rotations of Earth
D.) the curved surface of Earth
Answer:
The correct answer is D.) the curved surface of Earth.
Explanation:
The intensity of sunlight on Earth is affected by the curved surface of Earth, which causes the sunlight to spread out over a larger area. As a result, the intensity of sunlight is less at any given point on Earth's surface than it would be if Earth had a flat surface. This also explains why the poles receive less sunlight than the equator, as sunlight is spread out over a larger area near the poles due to the curvature of the Earth.
Factors such as the mass of Earth, the speed of Earth, and the number of rotations of Earth do not directly affect the intensity of sunlight on Earth.
In the study described in this feature, what life history characteristics were displayed by fish living in light, nontoxic waters? (2).
Growth rate is higher for fish living in light-colored, less non-toxic waters than it is for fish living in darker, more poisonous waters.
What is nontoxic?Nontoxic compounds are those that do not have any recognised toxic effects on living things. Clean air, pure water, organic food sources, and inert elements like oxygen, nitrogen, and hydrogen are a few examples of benign substances. Non-hazardous cleaning supplies, organic materials like wood, and specific kinds of plastic are more examples. Nontoxic compounds generally pose no dangers to the long-term health or environmental safety of people, animals, or the environment.
Fish living in light, non-toxic waters were likewise found to have higher reproductive output than fish living in darker, more toxic conditions.
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Watery clay soil slides down a mountain. This is an example of...
Answer:
Mudslide
Explanation:
This is an example of a mudslide. Because it is on a mountain and it is sliding down hill that is why it is called a slide and because it is picking up eroded rocks, mud and grass it is called a mudslide.
The scatterplots indicate the population of rabbits in the population over time. The y-axis represents the number of rabbits and the x-axis is time.
Which graph most likely represents a rabbit population that found a new, larger habitat, but then eventually experienced an increase in predation?
Graph A
Graph B
Graph C
Graph D
Answer:
c
Explanation:
Answer:
graph c
Explanation:
just took test
the hypothalamus controls the anterior pituitary by means of
Answer:
the answer is
releasing hormones
1. How many atoms are present in 8. 500 mole of chlorine atoms?
2. Determine the mass (g) of 15. 50 mole of oxygen.
3. Determine the number of moles of helium in 1. 953 x 108 g of helium.
4. Calculate the number of atoms in 147. 82 g of sulfur.
5. Determine the molar mass of Co.
6. Determine the formula mass of Ca3(PO4)2
The number of atoms in 8.500 mol of chlorine atoms is 5.1167 x 10²⁴ atoms of chlorine
The mass of 15.50 moles of oxygen is 247.98 g
The number of moles of helium in 1.953 x 10⁸ g is 4.880 x 10⁷ moles
The number of atoms present in 147.82 g of sulfur is 2.774 x 10²⁴ atoms of sulfur
The molar mass of Co (cobalt) is 58.93 g/mol.
The formula mass of Ca₃(PO₄)₂ is 310.18 g/mol.
What is the number of atoms present in 8. 500 mole of chlorine atoms?The number of atoms is determined as follows:
1 mole of atoms contains 6.022 x 10²³ atoms
In 8.500 moles of chlorine atoms, the number of atoms present would be:
8.500 mol x 6.022 x 10²³ atoms/mol = 5.1167 x 10²⁴ atoms of chlorine
The molar mass of oxygen is 15.999 g/mol.
The mass of 15.50 moles of oxygen would be:
15.50 mol x 15.999 g/mol = 247.98 g
The molar mass of helium is 4.003 g/mol.
The number of moles of helium in 1.953 x 10⁸ g would be:
1.953 x 10⁸ g / 4.003 g/mol = 4.880 x 10⁷ moles
The molar mass of sulfur is 32.06 g/mol.
The number of moles of sulfur in 147.82 g would be:
147.82 g / 32.06 g/mol = 4.608 moles
The number of atoms present will be:
4.608 mol x 6.022 x 10²³ atoms/mol = 2.774 x 10²⁴ atoms of sulfur
The molar mass of Co (cobalt) is 58.93 g/mol.
The formula mass of Ca₃(PO₄)₂ will be determined as follows:
Ca: 3 x 40.08 g/mol = 120.24 g/mol
P: 2 x 30.97 g/mol = 61.94 g/mol
O: 8 x 16.00 g/mol = 128.00 g/mol
Formula mass of Ca₃(PO₄)₂ = 120.24 + 61.94 + 128.00
Formula mass of Ca₃(PO₄)₂ = 310.18 g/mol.
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All matter is made up of very tiny particles called atoms. Atoms are pls help
Answer:
Unable to be divided into further smaller pieces
Explanation:
This theory has been drawbacked by now but books still obey it.
Atoms can be divided further more into proton, neutron and electrons
1. Amniocentesis….
a. cannot be used to detect genetic defects.
b. is the opposite of cytokinesis.
c. can be used to detect genetic defects.
d. is part of Telophase I.
2. Which of the following does NOT contribute to genetic diversity?
a. Crossing over.
b. Studying karyotypes.
c. Random fertilization.
d. Independent assortment
3. In Metaphase I of meiosis, what is happening?
a. Chromosome pairs are lining up in the middle of the cell.
b. Chromosomes are replicating.
c. Cytokinesis is taking place.
d. The cell membrane is dissolving.
4. Which of the following is true of Interphase?
a. It is a step in meiosis.
b. A cell does normal cell activities during Interphase.
c. Interphase occurs before meiosis.
d. Both B and C are true.
5. Homologous chromosomes…
a. are the same size.
b. have the same centromere location.
c. have the same genes.
d. All of the above.
The answers include the following:
Amniocentesis can be used to detect genetic defects and is denoted as option C.The following which does not contribute to genetic diversity is studying karyotypes and is denoted as option B.In Metaphase I of meiosis, chromosome pairs are lining up in the middle of the cell which is denoted as option A.The following which is true of Interphase is that both B and C are true and is denoted as option D.Homologous chromosomes have all of the above properties and is denoted as option D.What is Meiosis?This is referred to as a type of cell division in which the parent cell produces four unique daughter cells and it is used during the process of reproduction in the body system.
Interphase occurs before meiosis and it is the stage in which cell does normal cell activities and prepares itself for the process of cell division.
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Mechanisms for moving substances across the plasma membrane that require the use of cellular ATP include ______.
Mechanisms for moving substances across the plasma membrane that require the use of cellular ATP include:
Sodium-potassium pump.Calcium ions moving from cardiac muscle cells.Glucose moving in or out of a cell.What is active transport?Active transport is a form of transport movement of substances across a barrier such as the plamsa membrane against their concentration gradient, using energy in the form if ATP.
Some examples of active transport in the body include:
Sodium-potassium pumpAmino acids moving along the human intestinal tract.Calcium ions moving from cardiac muscle cells.Glucose moving in or out of a cell.Leran more about active transport at: https://brainly.com/question/2183165
How would these cells appear under a microscope at a higher magnification? What
parts of the cells would be visible?
This transmission electron micrograph clearly shows the cell wall, nucleus, vacuoles, mitochondria, endoplasmic reticulum, Golgi apparatus, and ribosomes.
How do you magnify cells to view them more clearly?Once you can see the cells, carefully turn the coarse focus slider. Once the cells are in focus and are clearly visible, carefully turn the fine focus knob. To see the cells in greater detail, repeat steps 1 through 5 with the higher power magnification.
So, to study cells, scientists utilize microscopes. Compared to light, electron microscopes offer greater magnification, more resolution, and more detail.
Under a light microscope, the nucleus, cytoplasm, cell membrane, chloroplasts, and cell wall can all be seen as organelles. Although mitochondria can still be seen under a light microscope, extensive investigation is not possible.
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do human eggs only have an X chromosome
Answer:
Yes, human eggs (also known as ova or female gametes) only have an X chromosome. This is because human females have two X chromosomes in their cells, and during meiosis, when the egg is formed, one of the X chromosomes pairs up and separates, leaving only one X chromosome in the mature egg cell. In contrast, human sperm can have either an X or a Y chromosome, as males have one X and one Y chromosome in their cells.
Which of the following statements is true about the life cycle of animals?
a. The gametes are the diploid phase of the life cycle.
b.The gametes are the haploid phase of the animals life cycle.
c. Meiosis is not a necessary component of the animal life cycle.
d. The products of the haploid phase of the life cycle are larger than those of the diploid phase.
Among the given options, statement b. "The gametes are the haploid phase of the animal's life cycle" is true.
In the life cycle of animals, the gametes (sperm and egg cells) are the reproductive cells involved in sexual reproduction. Gametes are produced through a specialized cell division called meiosis, which reduces the chromosome number by half, resulting in haploid cells.
During sexual reproduction, haploid gametes from two parents combine to form a diploid zygote, which then develops into an organism. The zygote undergoes mitotic cell divisions, growing into a multicellular organism, and the diploid phase of the life cycle begins.
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Why do humans , bees , and flowers need glucose and not rocks ?
One of the most crucial chemicals in human biology is glucose, a six carbon aldose. Since glucose is a carbohydrate, it exists in a partially oxidized state and can give the cell a moderate amount of energy.
Because glucose is the primary catalyst for catabolism in all cells, it is significant. Since the cellular activities that comprise the complete TCA cycle and chemiosmosis rely mostly on glucose to supply energy, glucose is used to provide energy for cells. The products of each of the sequence of oxidations that glucose undergoes can effectively donate electrons, allowing them to be utilized for the process of oxidative phosphorylation to produce ATP.
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If a fault is currently locked, it is not moving. True O False
Answer:
if it is not slipping, then no
Explanation:
A locked fault is a fault that is not slipping because frictional resistance on the fault is greater than the shear stress across the fault (it is stuck). Such faults may store strain for extended periods that is eventually released in an earthquake when frictional resistance is overcome. Have a great day! :)
(a) The importance of studying international accounting has grown over the years. Briefly discuss the reasons for the growth of international accounting in recent years. (b) Culture encompasses the values and attitudes shared by a society. Analyse how the culture of a nation influences domestic and international accounting.
(a)The growth of international accounting in recent years can be attributed to several factors; Globalization, Stakeholder Demands, Regulatory Pressure. (b) Here are some ways in which culture impacts accounting; Accounting Principles and Practices, Regulatory Environment, Ethical Considerations.
Globalization: With the increasing interconnectedness of economies and the expansion of multinational companies, there is a growing need for a standardized accounting framework that can facilitate cross-border transactions and ensure consistency in financial reporting.
Investor and Stakeholder Demands: Investors and stakeholders have become more globally focused, seeking investment opportunities and partnerships in foreign markets. These stakeholders require reliable and transparent financial information to make informed decisions, leading to the need for international accounting standards.
Regulatory Pressure: Governments and regulatory bodies worldwide are recognizing the importance of harmonized accounting standards to promote transparency, accountability, and comparability.
The culture of a nation significantly influences both domestic and international accounting practices. Here are some ways;
Accounting Principles and Practices: Culture shapes the underlying values, beliefs, and norms of a society, which in turn influence the development and application of accounting principles and practices. For example, cultures that prioritize individualism may have accounting systems that focus on individual financial performance, while collectivist cultures may emphasize the community or group's financial well-being.
Legal and Regulatory Environment: Culture influences the legal and regulatory framework within which accounting operates. Different cultures may have varying levels of acceptance for transparency, disclosure, and enforcement of accounting standards.
Ethical Considerations: Culture shapes ethical norms and values, which influence accounting decisions and practices. What may be considered acceptable ethical behavior in one culture may be viewed differently in another culture.
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Scientists use ______ to decide whether a substance is an element or a compound.
Answer: the periodic table
Explanation:
Why is one side of the moon called "the dark side of the moon"?
Answer:
Because much like the Earth, only one side of the Moon receives light, and the side receiving no light is called, "the dark side of the moon."
Explanation:
our chicken spends about 50% of the daylight hours foraging but also feeds, rests, preens and dustbathes. What type of chicken do you most likely own?
1 point
Steamer
Jungle fowl
Laying hen
Broiler
Chicken spends about 50% of the daylight hours foraging but also feeds, rests, preens and dustbathes. Type of chicken most likely you own is : Jungle fowl.
What are the characteristics of jungle fowl?Wild Junglefowl and feral chickens spend almost half of their time foraging and the rest resting, preening and dust-bathing
Foraging behaviors are pecking and scratching at potential food sources, as well as looking for and sampling possible food sources. Wild chickens forage on grasses, weeds and insects. Most chickens live on farms or as domestic pets but there are some chickens that live in the wild. Jungle fowl or feral chickens, rely on their senses and predatory instincts to survive.
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Non communicable diseases are more dangerous than communicable diseases. give any four reasons.
They include age, gender, genetics, exposure to air pollution, and behaviors such as smoking, unhealthy diet and physical inactivity which can lead to hypertension and obesity, in turn leading to increased risk of many NCDs. Most NCDs are considered preventable because they are caused by modifiable risk factors.
I NEED HELP ASAP I'LL MARK BRAINEIST
What is the Sun powered by?
radiation
fossil fuels
convection
nuclear reactions
Answer:
Nuclear Reaction
Explanation:
Answer please I will give points
Answer:
A
//this msg was written as I needed more words//
Answer:
The answer is a
Explanation:
The answer is a because it ball a can't rollout a flat surface unless gravity pulls on ball A
Drag the tiles to the correct boxes to complete the pairs. Identify the types of inheritance based on the expression of alleles in the organism. dominant recessive multiple presence of many alleles for the trait to be expressed  presence of two alleles for the trait to be expressed  presence of a single allele for the trait to be expressed 
Answer:
1-Dominent 2-Multiple 3-recescive
Explanation:
but pls try and work it out multiple times bc I got this but u might get differently
Answer this plsss
And correct the first if im wrong
One way asexual reproduction differs from sexual reproduction is that it requires only one
organisms and, thus, one set of genes. Which of the following would you expect in the genetic
material of sexually reproducing organisms? *
The male grouse makes a drumming noise by using its wings to beat the air. What is the behavior communicating?
Answer:echolocation i think
Explanation:
Four students were asked to classify the activities of the people in the picture below as examples of either potential or kinetic energy.
Which student correctly classified the activities? Hurry!!!!!!!!!
Hi there!
\(\large\boxed{\text{The first choice.}}\)
Kinetic Energy (1/2 · mass · velocity²) occurs when an object is in motion, or a force is occurring on the object. An example would be a car in motion.
Potential energy (mass · height · gravity ) is obtained when an object has the ability to do work. An example would be an object on a shelf. It has the potential to fall, and this would cause the potential energy to become converted into kinetic energy.
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Looking at the examples in the table, we can sort them as such:
Girl swimming laps- Kinetic energy because the girl is in motion.
Boy on diving board - Potential energy because the boy is not in motion, but has the potential to be in motion.
Girl hitting volleyball - Kinetic energy because the volleyball is in motion.
Boy holding volleyball- Potential energy because the volleyball is stationary and has the potential to be in motion.
Therefore, the correct table is table 1.