AnswersTX-Integrated Physics and ChemistryLab: Motion

Lab: Motion — Unit test Answers

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Kai was 200 meters north of the library when he remembered he had to return some books to the library. It took him 200 seconds to do the round trip.Which best describes Kai’s roundtrip?

A
His speed was 1 m/s, and his velocity was 0.
B
His speed was 2 m/s, and his velocity was 0.
C
His speed was 1 m/s, and his velocity was 1 m/s north.
D
His speed was 2 m/s, and his velocity was 2 m/s south.
2
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The table represents the speed of a car in a northern direction over several seconds.

Question illustration
A
Column 1 should be titled “Time,” and Column 2 should be titled “Velocity.”
B
Column 1 should be titled “Velocity,” and Column 2 should be titled “Time.”
C
Column 1 should be titled “Time,” and Column 2 should be titled “Acceleration.”
D
Column 1 should be titled “Acceleration,” and Column 2 should be titled “Time.”
3

What is determined by calculating the slope of the position vs time graph?

A
position
B
velocity
C
distance
D
displacement
5

The graph represents velocity vs. time for Carla.

Question illustration
A
Carla sped up in the beginning of her trip, stopped, and then slowed down.
B
Carla had a greater acceleration in the beginning than in the end.
C
Carla slowed down in the beginning of her trip, stopped, and then sped up.
D
Carla had a continuous acceleration throughout the entire trip.
6

The diagram shows organisms a diver observed during an ocean dive.

Question illustration
A
the ocean surface
B
the ocean floor
C
the position of the clownfish
D
the position of the seaweed
7

The diagram shows Ned’s movement as he left his house and traveled to different places throughout the day.Which reference point should be used to find out how far Ned traveled when he went from the pet store to the swimming pool?

Question illustration
A
V
B
W
C
X
D
Z
8

What kind of acceleration occurs when an object speeds up?

A
positive
B
negative
C
neutral
D
zero
9

Xander reached a final velocity of 4.5 m/s in 3.5 seconds. Finley reached a final velocity of 3.6 m/s in 4.2 seconds. Max reached a final velocity of 7.3 m/s in 1.2 seconds. They all started at the same location from rest.

A
Max Finley Xander
Option A
B
Max Xander Finley
Option B
C
Xander Finley Max
Option C
D
Finley Xander Max
Option D
10

Koto traveled 5,000 meters north from her house with an average velocity of 4.5 m/s.What was the time of her trip? (There are 60 seconds in 1 minute.)

A
18.5 minutes
B
20.4 minutes
C
2 hours
D
3 hours
11

What must be included when describing the displacement of an object?

A
measurement and direction
B
direction and speed
C
total distance and position
D
speed and total distance
12

Tyler and his family drove from Atlanta to Baltimore. They traveled a total of 678 miles over 2 days.What is the reference point in this scenario?

A
Atlanta
B
Baltimore
C
678 miles
D
2 days

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