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Speed and Velocity Answers

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Kiley went 5.7 km/h north and then went 5.8 km/h west. From start to finish, she went 8.1 km/h northwest.Which best describes her numbers?

A
5.7 km/h north and 5.8 km/h west are instantaneous speeds, while 8.1 km/h northwest is the average speed.
B
5.7 km/h north and 5.8 km/h west are average speeds, while 8.1 km/h northwest is the instantaneous speed.
C
5.7 km/h north and 5.8 km/h west are average velocities, while 8.1 km/h northwest is the instantaneous velocity.
D
5.7 km/h north and 5.8 km/h west are instantaneous velocities, while 8.1 km/h northwest is the average velocity.
2
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Lila is a track and field athlete. She must complete four laps around a circular track. The track itself is a 400 meter track and it took her 6 minutes total to complete.Which best describes her speed and velocity? (There are 60 seconds in 1 minute.)

A
Her speed is 4.4 m/s, and her velocity is 0 m/s.
B
Her speed is 1.1 m/s, and her velocity is 0 m/s.
C
Her speed is 0 m/s, and her velocity is 2400 m/s.
D
Her speed is 4.4 m/s, and her velocity is 4.4 m/s.
3

Greg is in a bike race. At mile marker four (out of ten), his speed was measured at 13.5 mph.Which best describes the measured number?

A
It is the average speed of the bike rider.
B
It is the instantaneous speed of the bike rider.
C
It is the instantaneous velocity of the bike rider.
D
It is the average velocity of the bike rider.
4

Veronica’s velocity was measured as 4.3 m/s. She displaced 20 meters in 4.7 seconds. Which piece of information is missing for the correct calculation of velocity?

A
the starting point
B
the direction
C
the end point
D
the time per meter
5

The chart shows Daniela’s run through her race.

Question illustration
A
1.5 m/s
B
2 m/s
C
2.5 m/s
D
5 m/s
6

The chart shows the movement of a ball after several seconds.

Question illustration
A
Column A should be “Time,” and Column B should be “Position.”
B
Column A should be “Position,” and Column B should be “Time.”
C
Column A should be “Velocity,” and Column B should be “Speed.”
D
Column A should be “Speed,” and Column B should be “Velocity.”
7

Mr. Smith is designing a race where velocity will be measured. Which course would allow velocity to accurately get a winner?

A
a 5 mile course from the center of town heading north to the outskirts of town
B
a 100 meter swim in a 50 meter pool
C
a 2 mile run around a 400 meter track
D
a 10 mile bike course that zigzags through the mountains and back again
8

The chart indicates the time, speed, and velocity of five runners.

Question illustration
A
Garreth and Elisa ran the same distance but not the same displacement, Luigi and Jasmine went the same displacement, and Logan ran faster than Jasmine.
B
Garreth ran farther than Luigi, Elisa and Jasmine went the same distance, and Logan and Jasmine has the same displacement in the opposite direction.
C
Garreth and Elisa ran together, Luigi and Jasmine went the same distance, and Logan and Jasmine have the same displacement in the opposite direction.
D
Garreth ran less than Logan, Elisa and Jasmine went the same displacement, and Luigi and Garreth ran together.
9

Which units are used to measure both velocity and speed? Select three options.m/sd/tkm/hmphm2

A
m/s
B
d/t
C
km/h
D
mph
E
m2
10

Which statement can be supported by using a position-time graph?

A
A negative slope results when an individual is moving away from the origin.
B
A horizontal line on the graph means the individual is moving at a non-zero velocity.
C
A positive slope results when an individual is moving away from the origin.
D
The speed of an individual cannot be determined from this type of graph.
11

Which of the following was an outcome of the Second Battle of Bull Run?Check all of the boxes that apply.

A
Confederate troops captured the president.
B
The Confederate army was again victorious.
C
The Union capital in Washington, DC, was in jeopardy as the South advanced.
D
The Union army seized the Confederate capital.
12

Choose the right name to complete each sentence.General Robert E. Lee was the commander of the army.

A
Union
B
Confederate
13

Which statement uses imagery as a descriptive detail?

A
Sandy beaches can be very dangerous if no one is around.
B
It would be fun to imagine being on a beach like this one.
C
The grains of sand sparkled and twinkled on the beach.
14

Which is an example of descriptive detail using a simile in this passage?

A
“miles of copper-red grass were drenched in sunlight”
B
The blond cornfields were red gold, the haystacks turned rosy”
C
“The whole prairie was like the bush that burned with fire and was not consumed.”
D
“It was a sudden transfiguration, a lifting-up of day.”
15

"the sunflowers grew; some of them were as big as little trees"

A
imagery
B
metaphor
C
simile
16

One theme revealed in this passage is, “The prairie is a place of beauty and struggle.” Which details from the passage support this theme? Check all that apply.

A
“stronger and fiercer”
B
“bush that burned with fire”
C
“afternoons were the same”
D
“sudden transfiguration”
E
“blond cornfields were red gold”
17

What challenges did the Union army face at Fredericksburg?Check all of the boxes that apply.

A
delayed supplies
B
a larger Confederate force
C
crossing a river
18

Which is an example of descriptive detail using a simile in this passage?

A
“I noticed how white and well-shaped his own hands were.”
B
“His eyes were melancholy, and were set back deep under his brow.”
C
“His face was ruggedly formed, but it looked like ashes”
D
“Everything about this old man was in keeping with his dignified manner.”
19

Which inferences can you make from the descriptive details in the passage? Check all that apply.

A
The family may have a hard time in this new land they have moved to.
B
Playing an instrument would be necessary in bringing in extra money.
C
While the father has many capabilities, none of them are useful for farming.
D
The father would have to move to the city to find work in his trade.
20

Which is an example of imagery in this passage? Which is an example of metaphor in this passage? What is this passage describing?

Answers:
Selection 1:”I could still see nothing but rough red hillocks”
Selection 2:”We drove up to this skeleton to tie our horses“
Selection 3:”the Shimerdas’ residence”

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