AnswersAA-F26 Physical ScienceSpeed and Velocity

Comparing and Contrasting in My Antonia Answers

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1
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Which statement correctly describes the differences between positive and negative acceleration?

A
Positive acceleration describes a change in speed; negative acceleration describes no change in speed.
B
Positive acceleration describes no change in speed; negative acceleration describes a change in speed.
C
Positive acceleration describes an increase in speed; negative acceleration describes a decrease in speed.
D
Positive acceleration describes a decrease in speed; negative acceleration describes an increase in speed.
2
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[___]

A
8 m/s
B
10 m/s
C
40 m/s
D
–40 m/s
3

A runaway shopping cart speeding up as it goes down a hill is accelerating due to a change in [___].

A
speed
B
direction
C
speed and direction
4

[___]

A
A
B
B
5

Until a train is a safe distance from the station it must travel at 5 m/s. Once the train is on open track it can speed up to 45 m/s. If it takes a train 8 seconds to reach 45 m/s, what is the acceleration of the train? (Round your answer to the nearest whole number.)

A
4 m/s2
B
5 m/s2
C
6 m/s2
D
7 m/s2
6

An airplane traveling 245 m/s east experienced turbulence, so the pilot decided to slow down to 230 m/s. It took the pilot 7 seconds to get down to this speed. What is the acceleration of the plane? (Round your answer to the nearest integer.)

A
–2 m/s2
B
2 m/s2
C
67 m/s2
D
–67 m/s2
7

A cyclist going downhill is accelerating at 1.2 m/s2. If the final velocity of the cyclist is 16 m/s after 10 seconds, what is the cyclist’s initial velocity?

A
4 m/s
B
12 m/s
C
18 m/s
D
20 m/s
8

[___]

A
A and B
B
A and C
C
B and C
9

The acceleration of segment D is [___] m/s2.

A
4
B
-4
C
20
D
-20
10

Read what Frederick Douglass said about Fourth of July celebrations, and then answer the question.According to Douglass, what should Americans think about while they celebrate their independence?

A
the millions of enslaved people who are not yet free
B
those who betrayed the country by committing treason
C
the people who died fighting for independence
11

Based on what you just learned, when was this poster most likely used?

A
Before the war in 1860
B
At the start of the war in 1861
C
After July 1862
12

Which sentence shows a comparison statement?

A
The land was growing rougher; I was told that we were approaching Squaw Creek, which cut up the west half of the Shimerdas’ place and made the land of little value for farming.
B
Occasionally one of the horses would tear off with his teeth a plant full of blossoms, and walk along munching it, the flowers nodding in time to his bites as he ate down toward them.
C
I could hardly wait to see what lay beyond that cornfield; but there was only red grass like ours, and nothing else, though from the high wagon-seat one could look off a long way.
13

Question text not available

Answer not available
14

How do the immigrant women’s children compare to the town women’s children?

A
They are much better behaved than the town women’s children.
B
They are more well-off than the town women’s children.
C
They do not work as hard as the town women’s children.
D
They are no longer considered immigrants, compared to the town women’s children.
15

In this paragraph, Cather compares immigrants with American farmers. Which statement best expresses the comparison?

A
Both groups had come to Nebraska without knowing how to farm.
B
Both groups allowed their daughters to go into service.
C
Both groups had become prosperous.
D
Both groups had built nice homes on the prairie.
16

Based on what you read, why did the immigrant women grow up to be better off than the American women?

A
They had families who looked after their well-being.
B
They learned how to farm much more quickly than the American girls.
C
They practiced being like the well-to-do girls by avoiding hard work.
D
They worked hard and, as a result, they earned money.
17

Explain why immigrant girls could not get jobs as teachers when American girls could. Then, explain what the immigrant girls did instead.

Answer:

Immigrant girls often could not get jobs as teachers because they lacked the formal education required for the position and often did not speak English fluently enough to meet the standards of American schools. Additionally, cultural and social biases frequently favored native-born Americans for professional roles. Instead of teaching, many immigrant girls found work in factories, sweatshops, or as domestic servants, where language and education requirements were lower.

18

Read this quotation from Lincoln, and then answer the question.What was Lincoln saying about the government?

A
It could not continue to be divided by slavery.
B
It needed to make slavery legal in every state.
C
It would never stop being divided by slavery.
19

Why did Lincoln try to reassure slaveholding states in his first inaugural address?

A
He wanted to keep the country together.
B
He wanted to win the election of 1860.
C
He wanted to support the expansion of slavery.
20

Which of these events happened just before Lincoln issued the preliminary Emancipation Proclamation?

A
The Union declared victory at Antietam.
B
The Confederacy declared victory at Antietam.
C
The Union declared victory in the war.

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