Which sentence BEST states the central idea of the first paragraph of "Roller Coaster Physics"?

A. Potential energy is created by the lift hill.

B. Gravity is the force that makes roller coasters possible.

C. Kinetic and potential energy work together to power roller coasters.

D. Potential energy builds as a train car goes up the lift hill, while gravity pulls a train car down the tracks.

Answers

Answer 1

The first paragraph of "Roller Coaster Physics" shows the main idea that the potential energy increases as the roller coaster climbs the hill, while gravity pulls the roller coaster along the tracks.

We can arrive at this answer because:

"Roller Coaster Physics" is an article that wants to show you how a roller coaster works.The first paragraph makes it clear how gravity and potential energy play a role in the functioning of the roller coaster.This is because, in the first paragraph of the article, we can see that the moment the roller coaster is going up the hill is the moment it is building a reservoir of potential energy.This energy will be transformed into kinetic energy when the roller coaster starts going downhill.However, what pulls the roller coaster downhill is gravity.

With this, we can see that the higher the roller coaster can go, the more potential energy it accumulates and the greater the intensity of gravity on it.

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Related Questions

日 what language feature is "it seized the frail Craft (line 13) an example of ?

Answers

In the story, "The Boy who was Afraid" by Armstrong Sperry, we learn of Mufatu's fear of the sea. In describing the hurricane that crashed his mother's canoe, the author used the line;  "it seized the frail Craft". The language that is used in this line is personification.

Personification is the description of inanimate things with the attributes of humans. The craft is described as frail.

Normally, it is humans who assume a frail form due to sickness or other conditions. The description of the craft as frail shows that it was now weak.

The hurricane seizing the craft is also another form of personification because the hurricane has no hands to seize the craft.

Summarily, the language form used here is personification.

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Select the correct answer. Why is a thesis statement important when writing a film review? A because it conveys the main idea on which the review is based. B, because it summarizes the review's key points in two lines or less. C, because it provides readers with an alternative point of view. D, because it explains in detail the film's purpose and meaning​

Answers

Answer:

(C) Is the✅ answer

Explanation:

What is the figure of speech shown in the sentence here?
The black cat screeched and howled at the harvest moon

Answers

Metaphor. There is no like or as making it a metaphor

The Figure of Speech in the sentence "The black cat screeched and howled at the harvest moon"  is Metaphor.

What is a Metaphor?

A comparison between two objects that are otherwise unconnected is known as a metaphor.

With a metaphor, the characteristics of one item are metaphorically applied to another. I use attributes associated with one thing—the urgency and helplessness of drowning—to express meaning for another thing—the work I need to get done—when I say, "Dude, I'm drowning in work."

There are metaphors everywhere. A couch potato, he is. She has a pure heart. That gathering was amazing. The source of all evil is money.

Metaphors can add originality and clarity to literature and ordinary conversation by comparing two unrelated ideas, allowing us to view situations from new perspectives. For example, H.P. Lovecraft wrote, "We exist on a placid island of ignorance in the midst of black oceans of infinity, and it was not meant that we should go far." He employs vivid imagery to illustrate the boundaries of human understanding.

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2. PART B: Which quote from the text best supports the answer to Part
A?
O A "Wes Moore escaped a rough-and-tumble childhood to become a
model of achievement," ( Paragraph 4)
OB "Wes Moore the achiever was so rattled by the coincidence he
eventually wrote a letter to Wes Moore, the prisoner." (
Paragraph 6)
OC "if you happen to see Wes Moore, do not approach because he's
assumed to be armed and very dangerous." ( Paragraph 8)
OD "when you're behind bars, you believe that no one even knows that
you exist anymore." ( Paragraph 13)

Answers

Answer:

OB

Explanation:

brainlets me coreect yan if iam wrong brainlest me

The quote from the text that best supports the answer to Part A is "When you're behind bars, you believe that no one even knows that you exist anymore" (Chapter 13). So the correct option is D.

This quotation supports the response to Part A, which requests proof of the ways in which the experience of being imprisoned might impact one's sense of identity and worth. Wes Moore discusses in the text how feeling forgotten and invisible while incarcerated affected him.

He thought no one even knew he existed or gave a da'mn about him. This demonstrates how being imprisoned can negatively affect a person's sense of identity and self-worth. It bolsters the notion that incarceration can cause a person to feel alone and cut off from the outside world.

Overall, this quotation is a good illustration of how being imprisoned may change how someone sees themselves and their place in society. It serves to underline the notion that incarceration can significantly alter a person's identity. So the correct option is D.

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WHAT ARE YOUR OPINIONS ON PARKOUR/FREE-RUNNING?​

Answers

Answer:

I like parkour, it's cool

Wickedly Wonderful is a small summer (25) ______ in the UK for children aged 6 to 13 years old. The children (26) ______ a week outdoors at the camp, making new friends and learning new activities (27) ______ having a lot of fun. (328) ______ the summer camp, they sail, horse ride, kayak, enjoy games on the beach and the beach (29)______, swim, surf, go crabbing and ride bikes. Children will enjoy holidays with Wickedly Wonderful, and those are holidays that they will remember forever!

25. A. term B. course C. camp D. holiday

26. A. take B. spend C. use D. pass

27. A. which B. what C. where D. while

28. A. At B. In C. On D. During

29. A. firing camp B. campfire C. fire camp D. firing camp

Read the passage and choose the best answer among A, B, C or D to each question below.

THIS IS MY HOUSE!

Hello! My name is Peter and this is my house.

My house is quite big. It has got two floors – a ground floor and a first floor. It has also got an attic and a basement. On the ground floor, there is a kitchen, a living room, a big dining room and a bathroom. On the first floor, there are three bedrooms, one bathroom and a big corridor. My bedroom is between my parents’ bedroom and the bathroom. My sister’s bedroom is in front of mine.

I love my bedroom, but I also like the attic. In the attic I keep some of my books and my old toys. I like to spend my time there because it is very spacious and there is a big sofa there where I sometimes take a nap.

At the back of the house, there is a garage where my parents park the family car, and a lovely garden with many green spaces, flowers, two swings and a small swimming pool.

I love my house! It’s very comfortable and cozy.

30. How is Peter’s house?

A. It’s quite small. B. It’s quite big. C. It’s old. D. It’s new.

31. How many rooms are there on the ground floor?

A. There are 2 rooms. B. There are 3 rooms.

C. There are 4 rooms. D. There are 5 rooms.

32. Where is Peter’s bedroom?

A. Between his parents’ bedroom and the bathroom.

B. Between his sister’s bedroom and the bathroom.

C. Between his parents’ bedroom and his sister’s bedroom.

D. Between his parents’ bedroom and the attic.

33. Why does Peter like to be in the attic?

A. Because it is very spacious.

B. Because there is a big sofa there.

C. Because he keeps some of his books and old toys.

D. Because it is very spacious and he can sometimes takes a nap.

34. Where is the garage?

A. In front of the house.

B. In front of the garden.

C. At the back of the house.

D. At the back of the garden.

IV. WRITING

Rearrange the words to make correct sentences.

35. going/ on/ They/ to/ the / supermarket/ Sunday/ are.

___________________________________________________________________________

36. me/ please/ can/ pen/ your/ lend/ you/ ?

___________________________________________________________________________

37. usually/ homework/ I/ after/ do/ school.

_____________________________________________________________________________

Complete the second sentence so that it means the same as the first.

38. Nam is hard-working.

Nam isn’t __________________________________________________________________

39. She has long curly hair.

Her _______________________________________________________________________

40. The living room has two chairs and a sofa.

There _____________________________________________________________________

Answers

Super long no one will answer

1. What did young Katherine believe about her father?

A. He at first wanted Katherine to run the family farm, but later changed his mind.

B. He was the smartest man she ever knew, and he had a real gift for math.

C. He secretly wanted to be a mathematician, and he regretted becoming a farmer.

D. He did not understand Katherine's love of math, but he supported her anyway.

__________________________________________________________________

2. Why did Katherine, her siblings, and her mother move to Institute, West Virginia, while her father stayed in White Sulphur Springs?

A. There was a high school for the children to attend in Institute, but not in White Sulphur Springs.

B. Katherine's mother got a job as a school teacher in Institute.

C. Her parents divorced just before Katherine was about to begin high school.

D. White Sulphur Springs was a dangerous place for the family to live, and Institute was much safer

__________________________________________________________________
3. What job did Katherine's professor, W.W. Schieffelin Claytor, train her to pursue after she graduated from college?

A. research mathematician

B. French teacher

C. rocket scientist

D. professor of mathematics
__________________________________________________________________

4. Which statement is one main idea from Chapters 1-3 of You Should Meet Katherine Johnson?

A. NACA engineers developed a plane that broke the sound barrier before Katherine began working for the agency in 1953.

B. When Katherine Johnson was young, there were fewer opportunities for African Americans to receive an education and find good jobs.

C. Katherine Johnson was born and raised in West Virginia, but moved to Virginia when she was an adult.

D. Katherine Johnson enjoyed French and even briefly taught the language after she graduated from college.
__________________________________________________________________

5. Which details from the first three chapters of You Should Meet Katherine Johnson support the main idea that there were fewer opportunities for African Americans to receive an education and find good jobs when Katherine was young?

Select the two correct answers.


A. Though Katherine graduated with honors with a math degree in 1937, she was not hired to work for NACA until 1953.

B. Katherine was hired to work as a "computer," someone who did the math that NACA engineers needed.

C. Katherine's father owned a farm and Katherine's mother had been a school teacher.

D. Katherine and her siblings had to move 120 miles away in order to attend high school.

Answers

Answer:

1.A

2.A

3. D

4.C

5.A

Explanation:

Answer:

#1
B
#2
A
#3
A
#4
B
#5
A and D

Câu 26 How many students there are in your class?
A. many B. students C. there are D. in

Answers

Hey what is the question ?

Which sentence uses direct characterization?

Answers

Answer:

Explanation:

Direct characterization is when a writer describes a character directly to the reader..It is a  technique used to describe the personality of a character.

He is singing the anthem (interrogative)

Answers

Answer:

Is he singing the anthem

Explanation:

Is he singing the anthem?

Can someone please help me write 3 comparison and 3 contrast.
About The Notebook(the movie) and the poem a clear midnight
I need 3 comparison about this movie and poem and 3 contrast please.

Answers

Answer: sure deal! What part are you wanting the three contrast?

Explanation:

What example of foreshadowing can be seen in the following passage from Shakespeare's Julius caesar

Answers

Answer:

in ACT 1 it happens when the soothsayer begs Julius Ceaser “beware the Ides of March!”

Explanation:


Please answer me I need the answer

Answers

Answer:

it has to be the 2nd option

say why the speaker in the poem wishes to be a watchman​

Answers

Explanation:

The speaker is in his bed Through the open window, he can see the watchman walking up and down the dark and lonely street with a lantern in his hand. The speaker is resentful that he has to go to bed. He thinks that the watchman never goes to bed in his life. Hence he wishes to become a watchman and walk up and down in the dark street at night, having fun chasing the shadows with his lantern

In what ways do showing words help readers draw conclusions?

Answers

Answer:

rawing conclusions is using information that is implied or inferred to make meaning out of what is not clearly stated. Writers give readers hints or clues that help them read

Explanation:

i hope i helped

Can you help me please? ​

Answers

Answer:

1 library

2 kitchen

3curtain

4 blanket

5 mirror

sana maka tulong

What is the meaning of sarcastic tell me in simplest language i found this but i cant understand this sarcastic, satiric, ironic, sardonic mean marked by bitterness and a power or will to cut or sting. sarcastic implies an intentional inflicting of pain by deriding, Tell in the simplest language

Answers

Answer:

fhsai;oehjUFKYdgICHJHYsuUkhfuUHDSvcLUCHuyeB

Explanation:

egfuyHFFJAFJAuvhdhaifjeifijdvhpefiuehua

Why is it a good idea to read your essay aloud once you have a draft?

Answers

(C ) You can hear where it sounds odd and revise it.

Explanation :

It's seems like a most appropriate choice...

Which word begins with the same sound as the word psychiatrist?

Answers

Answer:

siren

Explanation:

think thats right

What is the magic flight in the springboard book book titled A wrinkle in time visual effects?

Answers

The magic flight is her fight with IT. The rescue from without comes from Mrs. Whatsit and Meg's realization that love will defeat IT. The crossing takes place when Charles escapes IT and they return to their family.

can someone help..
its music​

Answers

Answer:

They are both right

Explanation:

Answer:

both right

Explanation:

23.=1+1+1=3/4

24.1+1+1+1=4/4

List THREE ways countries, private businesses, and organizations are providing
greater access to electricity

Answers

Answer:

Vietnam and Ghana and Bangladesh

Explanation:

answer the following questions in one or two questions:
which built the taj mahal in whose memory​

Answers

Answer:

Mughal emperor Shah Jahan in his wife memory

Choose the sentence that reads most smoothly, clearly, and logically.
The children were hungry, so their mother made them a snack.
Although the children were hungry, their mother made them a snack.
The children were hungry, but their mother made them a snack.​

Answers

Answer:

the first sentence

Explanation:

it flows correctly and makes sense

The first one sounds the best and uses FANBOYS the best so that one.

Plisss compete te ejerciste

Answers

Answer:

2. This is a photo of Henri Matisse.

3. Henri Matisse was a great artist.

4. Before Matisse was an artist, he was a lawyer.

5. Matisse's paintings are in museums all over the world.

6. In this photo, Matisse is in the south of France.

7. We see four birds outside their cages.

Explanation:

Make sure that the sentences make sense.

If they don't add a word.

The bold words is what should be corrected.

. What is Beowulf's request to Hrothgar related to destroying Grendel?

Answers

Answer:

The King shoukd send the mail of his armor to Higlac , and return the inherirtance he had from Hrethel

Which sentence most clearly describes the tone of a work of literature?
A. Through parallelism, Poe creates a rhythm than the reader
anticipates.
B. Dickens, through the narrator, describes the actors with sarcasm.
C. The use of dashes makes the reading of 'Dickinson's poems
halting.
D. Steinbeck repeats the word ground when describing the farmers.

Answers

Answer:

I THINK* Answer C

Explanation:

hope it helps you...

Answer:

Answer A

Explanation:

It's the correct answer I think

1. PART A: Which statement best identifies the central idea of the text?

A. The Harlem Renaissance was the first major artistic movement in American history.

B. The Harlem Renaissance was a period of increased migration of African Americans to the North.

C. During the Harlem Renaissance, African Americans used art to convey their experiences and create a united cultural identity.

D. During the Harlem Renaissance, civil rights activists overturned many racist laws in the South and overcame prejudice in the North.

Answers

The statement that identifies the central idea of the text is C. During the Harlem Renaissance, African Americans used art to convey their experiences and create a united cultural identity.

Harlem Renaissance was a cultural and intellectual revival of African American art, music, dance, fashion, literature, and theater, in Harlem.

It should be noted that during this period, African Americans used art to convey their experiences and create a united cultural identity. This was vital in reviving their culture.

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Answer:

C

Explanation:

Answer 1-4. Greek and Latin word parts Lesson 12 page 246

Answers

I don’t know about 134 but 2 is B. Maybe sum1 else will know

Read the following excerpt.
For a country said to be uninterested in its past, this would seem to be a giant exception to the rule. There are few if any
decisive new facts remaining to be unearthed. There continue to be bands of Lincoln assassination enthusiasts who find it
irresistible to speculate about what did or did not happen those fateful days in the spring of 1865. But they don't explain th
passionate interest in the man.
What inference can you make based on the underlined portion of the text?
Lincoln assassination enthusiasts have contributed meaningfully to research on his death.
During the spring of 1865, experts unearthed new facts about Lincoln.
The circumstances surrounding Lincoln's death remain somewhat unclear.
O Bands of Lincoln assassination enthusiasts speculate about why Americans aren't interested in their past.

Answers

Answer:

The circumstances surrounding Lincoln's death remain somewhat unclear.

Explanation:

We can use the process of elimination to find the truest inference out of the inferences given to us.

"Lincoln assassination enthusiasts have contributed meaningfully to research on his death."

The passage provided contains nothing about the assassination enthusiasts possessing research on his death. It only says, "There continue to be bands of Lincoln assassination enthusiasts who find it iresistible to speculate about what did or did not happen those fateful days in the spring of 1863."

"During the spring of 1865, experts unearthed new facts about Lincoln."

The passage states, "There are few if any  decisive new facts remaining to be unearthed." This means that experts are still trying to find solid facts about him, let alone facts about Lincoln himself. Experts are clueless about Lincoln, so unearthing any bit of information about him is most likely rare. And even if they did find any information on him, they wouldn't be certain if it wouldn't be solid.

"Bands of Lincoln assassination enthusiasts speculate about why Americans aren't interested in their past."

In the passage, it solely includes, "For a country said to be uninterested in its past, this would seem to be a giant exception to the rule." It does not inform us that the "Bands of Lincoln assassination enthusiasts" directly does this, nor does it imply anything about Americans.

Therefore, inference is the third option.

I hope this helps you in any shape or form.

The circumstances surrounding Lincoln's death remain somewhat unclear the inference you can make based on the underlined portion of the text. The correct option is C.

Why was Lincoln's assassination so important?

The Reconstruction era was significantly altered by the death of Abraham Lincoln. Confederate General Robert E. Lee's army surrendered at Appomattox Court House, bringing an end to the four-year War Between the States, just five days before President Abraham Lincoln was assassinated.

Actor John Wilkes Booth assassinated President Abraham Lincoln by entering the presidential box at Ford's Theatre in Washington, D.C., on April 14, 1865. Booth leaped onto the stage and fled through the back door as Lincoln sagged forward in his chair.

Thus, the ideal selection is option C.

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