AnswersLLatta Phys ScienceSpeed and Velocity

Speed and Velocity Answers

17 verified answers
1
Free Preview

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Answer:

22.4

2
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A
0.2
B
0.3
C
–0.3
D
–0.2
3

Which statements describe the motion of the object represented by the graph? Select three options.

A
The object is moving away from the origin.
B
The object is moving towards the origin.
C
The object started at the origin.
D
The object started at 2 meters.
E
The object is traveling at a constant velocity.
4

The object represented by this graph is moving

A
away from the origin at a constant velocity.
B
away from the origin at a decreasing velocity.
C
toward the origin at a constant velocity.
D
toward the origin at a decreasing velocity.
5

The starting position of this object is m. The object is traveling at a velocity of m/s.

Answers:
Part 1:3
Part 2:3
6

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9

Which runner had the fastest speed in the race? Which runner had the slowest speed in the race? Which runner had a head start?

Answers:
Selection 1:A
Selection 2:C
Selection 3:C
10

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15

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16

Use the drop-down menus to complete each sentence. is moving the fastest. is standing still. started at the same location.

Answers:
Selection 1:Car A
Selection 2:Car C
Selection 3:Cars A and B
17

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18

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25

Based on the graph, describe what is happening between 4 and 6 seconds.

A
The object is moving away from the start at a constant speed.
B
The object is not moving.
C
The object is returning to the start at a constant speed.
D
The object is changing speed.
26

Use the graph to determine the instantaneous speed at 2 seconds. m/s What is the average speed over the entire trip? m/s

Answers:
Selection 1:3
Selection 2:2
27

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30

Use the graph to determine the velocity between 6 and 12 seconds. m/s What was the velocity over the entire trip? m/s

Answers:
Selection 1:-2
Selection 2:0
31

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