Acceleration Answers

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Which statements describe acceleration? Check all that apply.Negative acceleration occurs when an object slows down in the positive direction.Negative acceleration occurs when an object slows down in the negative direction.Negative acceleration occurs when an object speeds up in the negative direction.Positive acceleration occurs when an object speeds up in the positive direction.Positive acceleration occurs when an object speeds up in the negative direction.Positive acceleration occurs when an object slows down in the negative direction.

A
Negative acceleration occurs when an object slows down in the positive direction.
B
Negative acceleration occurs when an object slows down in the negative direction.
C
Negative acceleration occurs when an object speeds up in the negative direction.
D
Positive acceleration occurs when an object speeds up in the positive direction.
E
Positive acceleration occurs when an object speeds up in the negative direction.
F
Positive acceleration occurs when an object slows down in the negative direction.
3

What is the velocity of segment B?

A
20 m/s
B
–20 m/s
C
40 m/s
D
–40 m/s
6

Which statements describe what is occurring at t = 5 seconds? Check all that apply.

A
The object sped up.
B
The object slowed down.
C
The object continued in the same direction.
D
The object changed direction.
E
The object came to a complete stop.
7

Which segments show acceleration?

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

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