We can define the momentum of a moving object as the "amount of motion" and can be written as:
P = M*V
Where M is the mass and V is the velocity.
With this we will see that the correct option is B: "It has less momentum than an empty spaceship traveling at the same velocity."
Now we want to see which statement fits bets the momentum of the spaceship, let's analyze each option:
A) "It has no momentum."
If the spaceship moves, it has momentum, so this is false.
B) "It has less momentum than an empty spaceship traveling at the same velocity."
This is true, if the spaceship is empty, then it has less mass, thus the momentum would be smaller.
C) " It has more momentum than an empty spaceship traveling at the same velocity."
This is false, the same reasoning as above.
D) "It has the same amount of momentum as an empty spaceship traveling at the same velocity"
This is false, the same reasoning as above.
Finally, we can conclude that the correct option is B.
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Answer: it has more momentum than an empty spaceship traveling at the same velocity
the answer to the question in the comments is bowling ball
Explanation: I took the test and failed because of them
Which spheres interact when this process occurs? atmosphere, biosphere, cryosphere hydrosphere, cryosphere, geosphere biosphere, hydrosphere, cryosphere cryosphere, atmosphere, geosphere
Answer: hydrosphere, cryosphere, geosphere
Explanation:
Answer: B
Explanation:
what is the 4 structures of an enzyme
Enzymes are made up of amino acids which are linked together via amide (peptide) bonds in a linear chain. This is the primary structure. The resulting amino acid chain is called a polypeptide or protein. The specific order of amino acid in the protein is encoded by the DNA sequence of the corresponding gene
Which sentence supports the statement that complex, multicellular organisms are made up of specialized cells that each perform different functions for the body?
Answer:
Multicellular organisms need specialized cells to carry out their activities since they are not directly exposed to the environment. These specialized cells work together to perform different functions. This involves cells adapting special characteristics to perform specific functions in a body.
Explanation:
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Answer:
Answer is A
Human liver cells make proteins that promote homeostasis that neurons do not.
Explanation:
What is the purpose of respiration in living organisms?
Answer:
All life forms have one essential purpose
Explanation:
Survival. This is even more important than reproduction. After all, babies and grannies are alive but don't reproduce. To be alive is more than passing genes along
Explain how the chemical properties of a compound compare to the properties of the individual elements that make it up.
Answer:
A compound contains atoms of different elements chemically combined together in a fixed ratio. An element is a pure chemical substance made of same type of atom. ... Compounds contain different elements in a fixed ratio arranged in a defined manner through chemical bonds.
Explanation:
What compelled the Grimms to concentrate on old German epics, tales, and literature was a belief that the most natural and pure forms of culture—those which held the community together—were linguistic and based in history. According to them, modern literature, even though it might be remarkably rich, was artificial and thus could not express the genuine essence of Volk culture that emanated naturally from experience and bound the people together. Therefore, all their efforts went toward uncovering stories from the past. –“How the Grimm Brothers Saved the Fairy Tale,” Jack Zipes What is the author’s purpose for writing the essay "How the Grimm Brothers Saved the Fairy Tale”? to entertain children with details from the Grimms’ tales to persuade adults to read and enjoy fairy tales more often to inform scholars of the ways modern literature can be artificial to inform readers of the reasons why the Grimms collected their tales
Answer:
d. to inform readers of the reasons why the Grimms collected their tales
Explanation:
To inform readers of the reasons why the Grimms collected their tales is the Grimm Brothers Saved the Fairy Tale,” Jack Zipes What is the author’s purpose for writing the essay. Hence, option D is correct.
What is the concept of the passage?The Grimm Brothers developed a system for gathering and documenting folktales. Thus, folklore studies got their start. The Grimm Brothers firmly felt that natural forms of culture are linguistic and grounded in history, which is the core theme of this extract.
It also makes reference to this, making it one of the suitable choices. They thereby preserved the mythical tale. Since the Grimm Brothers believed that old literature was the most natural and pure kind of culture and that new writing was artificial, it is clear from "Fairy Tale" why they focused on old German epics, tales, and literature rather than modern literature. Informing the reader about these causes is the text's main goal.
Thus, option D is correct.
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At approximately –50 mV, _____ is reached, Gate 1 of the voltage-activated Na+ channels opens, and Na+ ions _____ the neuron due to voltage and concentration gradients.
Answer:
threshold, enter
Explanation:
Sodium channels may be defined as the integral membrane proteins which forms the ion channels. It conducts the sodium ions through the cell's plasma membrane.
These channels are said to be located in the chromosome 2 of the human a well as mouse species. Sodium channels functions to mediate the fast depolarization and it conduct the electrical impulses throughout the nerves, heart and the muscles.
The sodium channel opens when a threshold is reached at -50mV to -55 mV which causes the rapid opening of the voltage-gated sodium channels.
What is speciation? the complete loss of a species that has died out the evolutionary process through which new species emerge a short-term environmental change a long-term environmental change
Answer:
Evolutionary process through which new species emerg
Explanation:
Answer:
B. - The evolutionary process through which new species emerge
Explanation:
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A balance and a graduated cylinder are used to determine the density of a
mineral sample. The sample has a mass of 14.7g and a volume of 2.2cm3. What
is the density of the mineral sample?
Why is it necessary for Vibrio vulnificus to turn on different genes when the microbe invades a human
Answer:
Please see below
Explanation:
Vibrio vulnificus is a gram negative pathogen. It is usually present at the junction between salt water and freshwater. When it invades a human, this is a new type of host for this virus, as opposed to its previous host - a shellfish. So in order to survive and reproduce inside of the human host, it must activate the genes that will enable it to do so.
Analyze evidence from the lesson regarding the relationship between the structures found in cells and functions carried out by cells related to protein formation and transport or the capture, storage, and usage of energy. Choose a cellular function and make a claim about how structural features of the cell support the function. Use specific examples and details to support your claim.
Answer:
This is vvv
Explanation:
One of the cellular functions is making food/creating energy. Plant cells do this the best as they have chloroplasts that can turn sunlight, water, and carbon dioxide into glucose and oxygen via photosynthesis. This glucose is then turned into usable energy when it is transported to the mitochondria where it is turned with oxygen into carbon dioxide and ATP via cellular respiration. The ATP is taken around the cell and distributed to where it is needed via the Golgi apparatus.
Now don't highlight this part when you copy and paste otherwise they will know for sure;)
One of the cellular functions is making food/creating energy. Plant cells do this the best as they have chloroplasts that can turn sunlight, water, and carbon dioxide into glucose and oxygen via photosynthesis.
What is golgi body?
The relationship between the structures found in cells and functions carried out by cells related to protein formation and transport or the capture, storage, and usage of energy is known as golgi body appratus.
This glucose is then turned into usable energy when it has transported to the mitochondria where it has been turned with oxygen into carbon dioxide and ATP via cellular respiration. The ATP is taken around the cell and distributed to where it is needed via the Golgi apparatus.
Therefore, One of the cellular functions is making food/creating energy. Plant cells do this the best as they have chloroplasts that can turn sunlight, water, and carbon dioxide into glucose and oxygen via photosynthesis.
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toms
A person with brown eyes has children with a person with blue eyes. The genotype of the brown eyed person is unknown;
however, it is known that brown is dominant over blue. If all of their children have brown eyes, what is most likely the
genotype of the brown eyed parent?
.
A. Bb
.
B. None of these
C.BB
D. bb
Answer:
C.
Explanation:
On the punnet square, with genotype BB, you'd be highly likely to have brown eyes unless the person with blue eyes has a dominant blue eye genotype.
A person with brown eyes has children with a person with blue eyes. If all the children are brown-eyed, that means the genotype of the parents is BB. So, the correct option is C.
What is a punnet square?
A square diagram is used to predict the genotype and thus the phenotype of the offspring when the genotype of the parents is known.
In a punnet square, the gametes formed from the genotype of one parent are written across the top row and gametes formed from the genotypes of another parent are written across the left corner.
The gametes are then crossed with each other to predict the genotype and thus the phenotype of offspring.
If one parent is brown-eyed, their genotype could be either BB or Bb. If the other parent is blue-eyed, their genotype is bb.
Now if all their children are brown-eyed. The genotype of the brown-eyed parent would be BB.
If the genotype of the brown-eyed parent was Bb, there would be two offsprings with genotype Bb and two offsprings with the genotype bb.
Therefore, the correct option is C
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When two species from different lineages independently evolve similar characteristics because they occupy similar environments, we observe ______.
Answer:
The correct answer is - convergent evolution.
Explanation:
When two organism are not monophyletic or had different lineages, evolve independently same type of characteristics in due to the adaption to the similar environmental conditions termed as convergent evolution in evolutionary biology.
Wings of insects, birds, and bats and their flight has similar nature due to the environmental condition but have different lineages, are one of the example of convergent evolution.
Thus, the correct answer - convergent evolution.
Bats have oversized ears which help the pets you sound waves to detect the motion of their prey which example of the characteristics of life is most similar
Metabolism is all the in your body
Answer:
Chemical reactions
Explanation:
Metabolism is generally defined as all the chemical reactions in your body which help to maintain its healthy living state.
Hope this helped!
13. What are some sources of error when measuring yarn?
A source of error is anything that could cause you to have inaccurate data.
Knot in the yarnFrayed edges of the yarnYarn isn't straightNot flat against the rulerThese are just a few examples, but the list goes on.
An electrically neutral atom has an atomic number of 11 and an atomic mass of 23. This atom has ____ protons, neutrons, and ____ electrons
Answer: This is called sodium
Explanation: 11 protons, 11 electrons.
This electrically neutral atom has 11 protons, 12 neutrons, and 11 electrons .
What is an atomic number?The number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus. Accordingly, the number of protons, which is always equal to the number of electrons in the neutral atom, is also the atomic number.
What is an atomic mass?The mass number or atomic mass is the combined number of protons and neutrons in a nucleus, so it's protons and neutrons.
According to the question
Electrically neutral atom has an atomic number = 11
Electrically neutral atom has an atomic mass = 23
Now,
the number of protons = number of electrons in the neutral atom = atomic number.
Therefore,
The atom has proton = 11
The atom has electron = 11
As, atomic mass is the combined number of protons and neutrons in a nucleus
Therefore,
The atom has neutrons = 23 - 11 = 12
Hence, This atom has 11 protons, 12 neutrons, and 11 electrons .
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Personal glasses will need to be covered by Safety Glasses
Answer:
Yes.
Explanation:
If you just wear personal glasses, your eyes won't be protected.
If you only wear the safety glasses, you won't have the ability to see, and you might spill dangerous substances on your hand, or other areas of your body.
How can you visually tell if hydrogen peroxide is being broken down by Catalase?
Answer:
I looked it up and it says when this reaction occurs, oxygen gas bubbles escape and create foam.
Which statement correctly compares the "Analysis" and "Conclusion" sections of a lab report?
Only the "Conclusion" section describes errors that occurred during the experiment, and only the "Analysis"
section suggests further research.
Only the "Analysis" section includes specific data comparisons, and only the "Conclusion" section suggests further
research
Only the "Analysis" section discusses whether the original hypothesis was supported, and both sections include
graphs of data
Only the "Conclusion" section discusses whether the original hypothesis was supported, and both sections
suggest further research.
Answer:
. Only the "Analysis" section includes specific data comparisons, and the only "Conclusion" section suggests further research.
Explanation:
Answer: B. Only the “Analysis” section includes specific data comparisons, and only the “Conclusion” section suggests further research.
Explanation:
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How do scientist use fossils to study organisms
Answer:
Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today. ... Paleontologists can determine the age of fossils using methods like radiometric dating and categorize them to determine the evolutionary relationships between organisms.
Explanation:
What does it mean for a human being to be religious?
Answer:
Religion, human beings' relation to that which they regard as holy, sacred, absolute, spiritual, divine, or worthy of especial reverence
Explanation:
what is this symbol CL-
Answer: CL en quimica es
Explanation: Cloro .
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He does not have an independent variable
Explanation:
He placed 2 plants in different locations one being dark and one being sunny and gave them separate treatment.
Question 2
If Sammi had more time or better resources, how could she improve her model to eliminate some of the
weaknesses?
Answer:
Sammi should consider applying SWOT model.
Explanation:
Sammi should consider her weaknesses and strengths. She should consider and list her weaknesses and then try to overcome these weakness by the available opportunities. She should know and list her strengths which she thinks are suitable to avail the opportunities coming her way. Sammi will then be able to deeply analyze the available opportunities and threats. She can find a way to improve herself and become more confident.
Which type of cell transport includes the diffusion of water?
Answer:
Passive transport
Explanation:
Water is transported through channel proteins called aquaporins.
although they are different what relationship exists between facts and theories
Answer:
A fact and a theory are different because...
Explanation:
A fact and a theory are different because fact has been proven true through multiple tests. A theory is a statement that is considered true until it is proven false.
1. What scientific attitudes help generate new ideas?
Answer:
Scientists share habits of mind, that lead them to exploration and discovery. New ideas are generated by curiosity, skepticism, open-mindedness, and creativity.
Did Odysseus care more about what the suitors had stolen from him or about how they offended his honor?
Answer:
how they offended his honor?
What’s the difference in independent variable, dependent variable and controlled variable.
Answer:
an independent variable is a variable that changes an a dependent variable is something that doesn't change
Explanation:
like if i put two fish is different size tanks and measured them after so long
measuring them would be dependent and putting them in different size tanks would be independent