AnswersWA-Physical Science BSpeed and Velocity

Speed and Velocity 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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The acceleration of segment D is m/s2. | Rank segments A, B, and C from least acceleration to greatest acceleration. | Least: | Greatest:

A
A
B
B
C
C
3

The acceleration of segment D is m/s2. | Rank segments A, B, and C from least acceleration to greatest acceleration. | Least: | Greatest:

A
A
B
B
C
C
4

The acceleration of segment D is m/s2. | Rank segments A, B, and C from least acceleration to greatest acceleration. | Least: | Greatest:

A
A
B
B

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Speed and Velocity

Speed and Velocity Answers — WA-Physical Science…