Two people are pushing a disabled car. One exerts a force of 200 N east, the other a force of 150 N east. What is the net force exerted on the car. ​

Answers

Answer 1
Answer: 350 N is the net force exerted on the car.

Related Questions

Why does the skeletal system contain both immovable and movable joints? A. Immovable joints allow my bones to move; movable joints connect my bones. B. Immovable joints connect my bones; movable joints allow my bones to move. C. Both kinds of joints allow the skeletal system to store materials. D. Both kinds of joints allow the skeletal system to protect organs.

Answers

Answer:

The correct answer is - option B. immovable joints connect my bones; movable joints allow my bones to move.

Explanation:

In the skeletal system, both immovable joints and movable joints are present and both have a distinct role in the body and skeletal system. The immovable joints are the joints that provide the stability to the bones that are connected and maintain the structure these joints also helps in protecting the organs.

Movable joints are the joints that are helpful in movement and allow bones that are connected to feely or up to a limit move.

Thus, the correct answer is - option B. immovable joints connect my bones; movable joints allow my bones to move.

Answer:

B

Explanation:

immovable joints connect bones well that a correct answer

HELP PLEASE
Witch of the following would introduce a bias into an experiment?

A. Publishing your experimental results in a scientific journal.

B. Allowing other scientist to repeat and verify your experimental results.

C. Using a computer to record and store your data.

D. Discarding data that does not fit with your personal expectations.

Answers

Answer:

D. Discarding data that does not fit with your personal expectations.

Explanation:

One of the ways in which bias can be introduced into an experiment is by discarding data that does not fit with one's personal expectations.

Bias in an experiment is the process whereby scientists alter the results of their experiment to achieve their own expected results.

Anomalous values defined by one's expectation can make an experiment highly biased. A  scientist is supposed to be objective in their experimental approaches.

If excessive amounts of hot water are discharged into a lake, the immediate result will most likely be

Answers

Answer:

all of the wildlife within the lake would go into shock

Explanation:

wildlife such as fish go into shock very easily when it comes to change in temperatures! a goldfish dropped straight from it's baggy into a bowl is far more likely to go into shock and die than one who was adjusted to the water temp first.

An animal cell with a 30% salt solution is placed in a beaker with a 20% salt
solution. Which is the correct conclusion if the cell remains in the beaker for an
extended period of time?

Answers

Answer:

the animal cell will burst

Explanation:

If the salt solution in the animal cell is 30%, it means the water is at a 70% concentration. Outside is 20%, so the water is 80%.

Water will enter the cell. Water is at a higher concentration outside the cell (80%) or a lower concentration inside the cell (70%) by the process of osmosis.

Eventually, the animal cell will burst, because it does not have any cell wall to control the swelling of the cell that occurs as water flows in.

1. On a hillside there are 100 flowering plants. One géne pair controls flower
height. Tall (T) is incompletely dominant over short (T). There are 81-tall
, plants,
18 medium plants and-1-short plant. What is the frequeney of each allele in the
populätion?

Answers

Answer:

There are 180 T alleles on the hillside and 20 t alleles.

81 tall plants have two T, 18 medium plants have one T and one t, short plant has two t.  

Explanation:

The tall plants will b TT, medium plants will be Tt, short plant is tt.

Convection currents can be described best by:
a. Hot air rising, cold air sinking
b. Cold water rising, hot water sinking
C. Random distribution of temperatures
d. Hot air sinking, cooler air rising

Answers

Answer:

A.Hot air rising,cold air sinking

Explanation:

Hot air rises in a confined or closed space.That is one of the reasons why firefighters have some people crawl on the flour to get out. the smoke is hot air so it rises to the ceiling of the room, while cold air stays lower.

It can be more than one

Answers

Answer:

Only the matter stored in body tissues

Explanation:

Cuz the seal took some of the matter for itself :)

Magnesium deposits are most likely to form from:
precipitation
condensation
evaporation
respiration

Answers

Answer:

precipitation

sorry I'm not sure how to explain that

How do you believe that economics (money) and our environment are connected.

Answers

Answer:

Explanation:

Economics our environment are connected in an ongoing cycle we have created. Economics have a special influence on the environment because of the way we have set up our social system. There are many good affects of this cycle, such as people reserving land for endangered species. However, there are also bad affects, such as people monopolizing land just for themselves.

Electrons move about the nucleus of an atom in regions called

Answers

Answer:

atomic orbitals or subshells it the same name

What predication can you make about future levels of carbon dioxide CO2 in the atomphere

Answers

Because of all the damage that we are doing to forest and the increasing industrialization the levels of CO2 are just gonna increase making the worlds temperature rise and the poles melt

Pls brainlist

A scientist mixes a solid and a liquid.
The mixture gets warmer and has bubbles.
What do we know from this evidence?
A) That a reaction happened because it is warm with bubbles
B) That a reaction did not happen because it is warm with bubbles
C) That A reaction happened because there was no color change
D) That A reaction did not happen because there was no color change

Answers

Answer:

A

Explanation:

Signs of chemical reaction

The answer is A

There was evidence of a reaction

A particle of rain water has just reached the ocean. In what order will the particle now complete the following steps of the water cycle?

Answers

Evaporation will probably be the next step. The water cycle consists of a few steps. Most of which you should know. But yeah evaporation would most likely be next.

Answer:

evaporation - condensation - precipitation - surface runoff

Explanation:

For a water particle that has just reached the ocean, the correct order of the water cycle is as follows: evaporation (liquid water changes to water vapor) → condensation (water vapor changes to liquid water) → precipitation (water falls to the Earth's surface) → surface runoff (water travels along the surface of the Earth into a reservoir, such as an ocean). The water cycle is a continuous cycle with no strict beginning or end.

Sex-Related inheritance: X chromosome; Non Sex-Related inheritance​

Answers

What we already know:

All species under normal circumstances will have two sex chromosomes. X and Y, Y is known to be dominant. All females will have two X chromosomes (XX, one X will always be given by the mother), whereas males will have one Y chromosome and one X chromosome (XY, one X will always be given by the mother. The father, on the other hand, could give either an X or a Y, that all depends on what sex chromosome the father's sperm donated.)

So, how many chromosomes do a typical human have? Correct, a typical human has 32 chromosomes and only 2 of them are sex chromosomes. Now we must understand that the sex chromosome carries more than just the one code for the individual sex. That means that the gene codes for more than just the sex.

Building on that knowledge:

Sex-Related Inheritance that differs from sex, is carried on one or two of an individual's sex chromosome. Whereas Non-Sex-Related Inheritance is carried on the other thirty chromosomes that the individual also carries.

Sex-Related inherited genes that are passed via the father to male offsprings, carried on the Y chromosome, are easiest to spot in a family. All males will have this trait and no females will.

Non-sex-related inheritance can be passed from male to female and from female to male, this is sometimes harder to differentiate from genes carried on the X chromosome because the mother always gives an X chromosome.

Vocabulary:

phenotype: the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

Siphoning of wetlands in Iraq has led to
a. rising sea levels
b. drought
c. an increase in biodiversity
d. them becoming arid desert

Answers

Answer:

its D

Explanation:

them becoming arid desert. just took the test and got a 100 :)

Answer:

D because Iraq though the years became a dry sandy desert mostly made up of desert mountains to this day

Explanation:

A isn't right it'll be less of a desert but also less land, the mountains also only makes of a a bit of a quarter or more of the land

B is a possibility but wont explain how it is today nor on it's conditions

C is wrong as it's the opposite of now

Explain why you cannot draw a conclusion about the effect of one variable in an investigation when the other variables are NOT controlled.

Answers

Answer:

Because you don't know which variable caused the effect.

Explanation:

It's always important to have a control because you need to be able to pinpoint exactly what variable caused the specific effect to take place. This is also why multiple variables can not be tested at once.

Iron reacts with sulfur to form iron sulfide. If 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?
A.
60 grams
B.
150 grams
C.
120 grams
D.
30 grams

Answers

Answer:

Its D. 30 grams:)

Explanation:

What would occur if a nitrogen base in the RNA strand is mis-matched? How would that affect the protein? How could that affect the organism?

Answers

Answer:

Errors during Replication. DNA replication is a highly accurate process, but mistakes can occasionally occur as when a DNA polymerase inserts a wrong base. Uncorrected mistakes may sometimes lead to serious consequences, such as cancer.

In mismatch repair, mistakes that happen during DNA replication are recognized, cut out and replaced. ... This mismatched base pair causes a point mutation, which you can think of as a typo in the DNA sequence of the new strand.

Explanation:

Incorrectly paired nucleotides cause deformities in the secondary structure of the final DNA molecule. During mismatch repair, enzymes recognize and fix these deformities by removing the incorrectly paired nucleotide and replacing it with the correct nucleotide.

Eukaryotes have solved the end-replication problem by locating highly repeated DNA sequence at the end, or telomeres, of each linear chromosome. In humans and other vertebrate organisms, the sequence of nucleotides in telomeres is TTAGGG, is repeated between 100 and 1000 times.

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The eggs of a cone bearing plant:

receive sperm through the development of tubes

are held on the sticky fluid of the female cone

receive pollen from the wind

Answers

Answer:

Receive pollen from the wind.

Explanation:

The sperm of the male cone floats through the air and lands on the scale of the female cone. Sperm cells move through the pollen tube of the female cone and one of them fertilized an egg cell which eventually turns into a seed.

Answer:

The eggs of a cone bearing plant receive sperm through the development of tubes.

Explanation:

Cone-bearing plants have two types of cones: female cones and male cones. Reproduction begins when one of the pollen grains from inside a pollen sac on the male cone floats through the air to the scale of a female cone. A pollen tube then grows from the pollen grain toward the female ovule. Sperm cells move through the pollen tube and one of them fertilizes an egg cell, which then develops into a seed. The winged seed floats to the ground and begins to germinate. As the top of the seedling reaches for light, the hypocotyl straightens and the cotyledons spread out.

Feel free to mark brainliest.

What best explains how you can smell burned toast from another room?

Answers

From the other room you could smell the burn

surface area of 1x1x8

Answers

Answer:

What's the surface area of 1x1x8?

Explanation:

34 feet squared! Hope that helps.♡

Answer:

34 feet squared

Explanation:


this is part 2 from the question
please answer it and if you can answer part 1 ftom the question and thank you


2 Label each of the diagrams below to show whether the seeds are spread by exploding pods, wind,
water or animals.​

Answers

Answer:

I think The seed is forming into a flower or The seed is forming into a fruit.

Explanation:

The seed was forming into a plant.

Differentiate between pathogens and vectors​

Answers

Answer:

A pathogen is an agent that causes disease, such as a virus, bacterium, protozoan, or parasite. A vector is an organism, often an arthropod, that carries a pathogen to its host. So, for example, for malaria the pathogen is a protozoan called Plasmodium, and the.

Explanation:

Is it multiple choice?

Describe the relationship between cell shape and function. Give an
example of cell shape influencing cell function.

Answers

Answer:The shape of a cell greatly influences its function. Each cell has a shape that best suits its functions. For example, red blood cells are round with a large surface area on top to absorb maximum oxygen. ... Nerve cells are long and have elongated terminal branches to pass messages over long distances in our body.

Explanation:

Carson divided 40 unripe bananas evenly among eight paper bags and sealed the bags. He poked 20 small holes in four of the bags and left the other four without holes. He kept the bags at room temperature for three days. Then, Carson opened the bags and counted the number of brown spots on each banana. He compared the average number of brown spots on bananas from bags with holes to the average number of brown spots on bananas from bags without holes.Identify the question that Carson's experiment can best answer.

Answers

Answer:

See the answer below

Explanation:

From the illustration of the experiment, the question that Carson can best answer  is that "Do bananas develop more brown spots if they are kept in bags with holes  compared to bags without holes?"

The independent variable in the experiment is the hole poked in the bags while the dependent variable is the number of brown spots on each banana. The difference between the subjects is the hole poked in the bags, hence, any difference in the number of brown spots between bananas in the bags with holes and those in the bags without holes can be attributed to the hole poked in the bags.

Therefore, the question that can be answered from the experiment is to see if poking holes in bags make bananas to develop more brown spots compared to bags without holes.

Which effect does the sun's energy have on a comet?
A. It causes the comet to form a bright tail.
B. It causes the core of the comet to melt.
C. It causes the comet to turn toward earth.
D. It causes the comet to break apart.

Answers

Answer:

The answer is B because the sun melts the core of the comet

The sun's energy causes the comet to form a bright tail. The correct answer is A.

When a comet approaches the Sun, the Sun's energy causes various effects on the comet.

As the Sun heats up the comet, it causes the icy nucleus of the comet to vaporize and release gas and dust into space.

This process is known as outgassing. The released gas and dust form a glowing envelope called a coma around the nucleus.

Additionally, solar radiation and solar wind push the released gas and dust away from the comet, forming a glowing tail that points away from the Sun.

So, the correct option is A.

To know more about Comet, click here:

https://brainly.com/question/12443607

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Diffusion takes place
Group of answer choices

only through a lipid bilayer membrane.

from an area of low concentration to an area of high concentration.

from an area of high concentration to an area of low concentration.

only in liquids.

Answers

[tex]\large\underline{\bf\red{Diffusion:-}}[/tex]

It is the process of movement of substances from a region of higher concentration to a region of lower concentration .

Hence correct option is [ c ] .

More to know about topic .

Diffusion :-

Water from soil is absorbed by plants by Diffusion.Amoeba exchanges Carbon dioxide & Oxygen by the process of Diffusion.It is a form of passive transport .It does not utilises energy .

What's the dense connective tissue that surrounds most organs called?

Answers

Answer:

Bone.

Explanation:

Bone is the hardest connective tissue. It provides protection to internal organs and supports the body. Bone's rigid extracellular matrix contains mostly collagen fibers embedded in a mineralized ground substance containing hydroxyapatite, a form of calcium phosphate.

Why are some question that scientists are asking about plant at space?

Answers

Answer:

some questions scientist are asking is if plants grow faster in space and if stars can be turned into plants.

Explanation:

I think the reason they ask these questions are because their are different molecules on earth than in space

Please help me!!!!!!!!!!!

Answers

Answer:

Its option 3 hope this help with your test good luck

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