Answers
Based on the acceleration-time graph, the segments of the motion in which the object experience a net force are both 1 and 3.
What is an acceleration-time graph?The Acceleration-Time graph tells us about an object's velocity the same way the Velocity Time graph tells us about an object's displacement.
We know that Newton's Second Law of Motion states that the acceleration of an object is inversely proportional to its mass and directly proportional to the net force acting on the physical object.
With reference from the acceleration-time graph, the segments of the motion in which there is a net force acting on the object are both 1 and 3 while it experienced constant acceleration at segment 2 and 4.
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Related Questions
The answer is A:
Please explain why this answer is correct in your own words.
You must include these three words within your explanation: The Water Cycle, Vapor, and States of Matter.
Answers
The person that has the correct explanation is Maddy. Option A
How does water vapor outside a glass of cold water?The air around a cold glass of water cools and the relative humidity rises when it is left in a warm environment. Water vapor in the air may condense into liquid water droplets on the surface of the glass as a result of this rise in relative humidity.
So, like dew forms on grass in the morning, the extra moisture in the air condenses into liquid droplets on the surface of the glass.
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The average exposure for 1 year on Earth is about 3 mSv. How does your
annual radiation dose compare to the average? Use complete sentences
and both qualitative and quantitative information in your answer
Answers
The radiation doses can be different depending on a lot of factors, such as geographical location, occupation, medical procedures, and others.
What is the exposure?The typical human yearly exposure to radiation on our planet is measured at 3 mSv, enabling us to gauge it against various degrees of radiation exposure.
A person is usually exposed to around 0.01 mSv during a dental X-ray and approximately 0.1 mSv during a chest X-ray. It is crucial to acknowledge that diverse forms of radiation can produce distinct impacts on the human body, and hence, tracking and regulating the extent of exposure is necessary to reduce potential hazards.
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Which of the following factors is most likely responsible for an organism's cardiovascular system not delivering enough oxygen or nutrients to its organs? A. Sleep is causing the organism's cell diffusion rates to increase. B. High blood pressure is causing the organism's blood volume to decrease. C. Exercise is causing the organism's heart rate to increase. D. Low blood pressure is causing the organism's blood flow to decrease.
Answers
Blood pressure is the force of blood pushing against the walls of the blood vessels. When blood pressure is too low, the blood flow to the organs can be reduced, which can lead to a decrease in the delivery of oxygen and nutrients. This can result in organ dysfunction or damage.
Sleep, exercise, and high blood pressure can all affect blood flow and blood pressure, but they are unlikely to cause a decrease in blood flow severe enough to affect the delivery of oxygen or nutrients to the organs. In fact, exercise can increase blood flow and delivery of oxygen and nutrients to the organs.
Therefore, the most likely factor responsible for an organism's cardiovascular system not delivering enough oxygen or nutrients to its organs is low blood pressure.
The zebra mussel is an invasive species that is thought to have entered the great lakes accidentally attached to the bottom of the ship. The zebra mussel lays 1 million eggs annually, taking over many great lakes' ecosystems. The zebra mussel eats larval fish and algae. Which statement is NOT a possible effect the zebra mussels would have ibn the birds native to the great lakes?
A. The birds must move to new locations to find new food sources since they are all competing for the fish larva.
B. The birds decide to the zebra mussels, changing their diet
C. The bird population will decrease due to the increasing number of zebra mussels.
D. The bird population will become extinct
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Question # 8
Multiple Choice
Mitosis occurs during which phase?
O fertilization
O adult
O growth
Obeginning
Answers
Mitosis occurs during fertilization, hence the correct answer is option
A. fertilization
What is Mitosis?Mitosis is the process by which replicated chromosomes are divided into two new nuclei. Mitosis results in the formation of genetically identical cells with the same number of chromosomes.
The four mitotic stages
Prophase, prometaphase, metaphase, anaphase, and telophase are the stages.
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Select all that apply to meiosis
Answers
All that apply to meiosis are;
Tetrads form and crossing-over sometimes occurs.
Paired homologous chromosomes line up across the center of the cell.
Four haploid daughter cells form that are not identical to the parent cell.
Each replicated chromosome pairs with its corresponding homologous chromosome.
What is meiosis?Meiosis is a cell division that brings about the formation of gametes
Gametes are sex cells (sperm and eggs) known to be sexualy reproducing organisms. It involves two consecutive rounds of cell division, called meiosis I and meiosis II.
The above answer is dependent on the question below as seen in the picture;
Select all that apply to meiosis
One row of chromosomes lines up at the center of the cell.
Tetrads form and crossing-over sometimes occurs.
Paired homologous chromosomes line up across the center of the cell.
Four haploid daughter cells form that are not identical to the parent cell.
Each replicated chromosome pairs with its corresponding homologous chromosome.
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Deforestation and the burning of fossil fuels such as coal and oil have led to higher concentrations of carbon dioxide in the atmosphere
Answers
Deforestation and the burning of fossil fuels such as coal and oil, are the two main causes of higher concentrations of carbon dioxide in the atmosphere.
The statement "Deforestation and the burning of fossil fuels such as coal and oil have led to higher concentrations of carbon dioxide in the atmosphere" refers to the fact that human activities have significantly increased the amount of carbon dioxide in the atmosphere, leading to a rise in global temperatures and climate change.
Deforestation contributes to this problem by reducing the amount of trees that absorb carbon dioxide during photosynthesis, while the burning of fossil fuels releases stored carbon into the atmosphere. These actions have negative impacts on the environment, including increased global temperatures, rising sea levels, and more frequent extreme weather events.
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--The complete question is, Deforestation and the burning of ___________ such as coal and oil, are the two main causes of higher concentrations of carbon dioxide in the atmosphere.--
a fossil that is older than 200 million years old can be found on land due to plate tectonics
Answers
A fossil that is older than 200 million years old can be found on land due to plate tectonics.
Plate tectonics is the movement and interaction of large sections of the Earth's lithosphere (outermost layer of the Earth) over the asthenosphere (part of the Earth's mantle). This movement can cause the formation of mountains, oceans, and the breakup of continents over millions of years. The movement of plates can also result in the uplift and exposure of rock layers that were previously buried deep beneath the surface, including those containing fossils that are millions of years old.
Therefore, it is possible to find fossils that are more than 200 million years old on land due to plate tectonics, but the process of uplift and exposure of such rocks may take millions of years and require various geological processes.
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--The complete question is, A _____ that is older than 200 million years old can be found on land due to plate tectonics.--
One common purpose of snacking is to stabilize Between meals
A blood glucose levels be fat intake, C called intake d protein intake
Answers
Several studies have indicated that eating every few hours helps to keep your blood sugar stable.
What is snacking?Snacking is just eating or drinking something between meals, regardless of whether the food is nutritious or not. A snack is a little piece of food that is typically consumed between meals.
Snacks are available in a variety of formats, including packaged snack foods and other processed foods, as well as items created at home from fresh ingredients.
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Planets A and B have the same size, but planet A is half the mass of planet B.
Which statement correctly explains the weight you would experience on each
planet?
OA. You would weigh the same on both planets because your mass
would be the same on both.
OB. You would weigh more on planet A because it has less mass than
planet B.
OC. You would weigh the same on both planets because the planets
are the same size.
OD. You would weigh less on planet A because it has less mass than
planet B.
Answers
The statement that would correctly explains the weight you would experience on each planet is You would weigh less on planet A because it has less mass than planet B. Option D
How does mass affect weight?Weight is the force experienced by an object or person due to gravity. Since it is as a result of gravitational force, it depnds on both the mass of the objct or person and the level of gravity of the planet.
Gravity is dependent on th mass of the planet, and if planet A has lesser the mass of planet B, its gravitational force will be most likly be weaker.
This therefore means a person is going to weigh less on planet A than on planet B, even though both planets have the same size.
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Examine the stages of the cell cycle shown here. The steps of the cell cycle, including mitosis, are shown here. Determine which statements are accurate based on the model shown here. (Choose 2)
Answers
From the given stages of the cell cycle option A and C apply as they describe the stages of the cell cycle.
There are different stages in a cell cycle. These include the G1 phase, G2 phase, and M phases. In the G1 phase, the cell grows in size and duplicates all its contents. During the S phase, the cell replicates the genetic material that is the DNA. Duplication of the centrosome also takes place during this phase.
During the G2 phase cell grows more, synthesizes proteins and reorganizes all its contents. it finally prepares for mitosis. During the M phase of the cell cycle or mitosis, the cell divides the duplicated DNA and all its contents and finally forms the two daughter cells through a process called cytokinesis. These are the different stages involved in a cell cycle.
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The given question is incomplete. The most probable question is given below:
Examine the stages of the cell cycle shown here. The steps of the cell cycle, including mitosis, are shown here. Determine which statements are accurate based on the model shown here. Select ALL that apply.
A)The correct order is DACB
B)The correct order is ABCD
C) shows the separation of homologous chromosomes.
D)Chromatids are separated during the entire process
E)Letter B is a cell undergoing cytokinesis by forming a cell plate.
someone helpppp Name any two of the major types of chemical substances that are broken down in chemical digestion. For each substance, name an enzyme that breaks them down and what final product is actually absorbed by the body for use or storage.
Answers
Two major types of chemical substances that are broken down in chemical digestion are:
Carbohydrates: Carbohydrates are broken down into simple sugars like glucose. The enzyme responsible for breaking down carbohydrates is amylase. The final product that is absorbed by the body for use or storage is glucose.
Proteins: Proteins are broken down into amino acids. The enzyme responsible for breaking down proteins is protease. The final product that is absorbed by the body for use or storage are amino acids.
Chemical digestion is the process of breaking down large molecules of food into smaller, simpler molecules with the help of enzymes and other chemical substances. This process occurs primarily in the mouth, stomach, and small intestine, and is essential for the body to extract nutrients from the food we eat.
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Sickle cell anemia is known to run in a family. A pedigree chart for this family is shown below. The parents are shown at the top and from left to right appear as a half-shaded circle next to a half shaded square.The two are connected by a straight line. Below the parent pair is a vertical straight line connecting the next row of circles and squares which are the offspring. Starting from the left an unshaded square, half-shaded circle, another half-shaded circle and a completely shaded square are shown. All these are also connected by a horizontal straight line. What percentage of the offspring have sickle cell anemia? 0% 25% 50% 100%
Answers
The half-shaded circle and half-shaded square represent carriers of the sickle cell trait (heterozygous individuals), while the completely shaded square represents an individual who has sickle cell anemia (homozygous recessive).
Since the father is completely shaded, he must be homozygous recessive (ss). The mother must be a carrier (Ss) because she is half-shaded.
When we consider the offspring, we can use a Punnett square to calculate the probability of each possible genotype.
| | S | s |
|---|---|---|
| S | SS | Ss |
| s | Ss | ss |
The offspring are:
- Unshaded square: SS (homozygous dominant)
- Half-shaded circle: Ss (heterozygous carrier)
- Half-shaded circle: Ss (heterozygous carrier)
- Completely shaded square: ss (homozygous recessive)
Therefore, 1 out of 4 offspring (25%) has sickle cell anemia (ss genotype), while the other 3 offspring are carriers of the sickle cell trait (Ss genotype).
So the answer is 25%. and
