AnswersCrowley Credit Recovery Physics AAcceleration

Acceleration Answers

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A cyclist is riding his bike up a mountain trail. When he starts up the trail, he is going 8 m/s. As the trail gets steeper, he slows to 3 m/s in 1 minute. What is the cyclist’s acceleration?

A
–0.08 m/s2
B
0.08 m/s2
C
–12 m/s2
D
12 m/s2
2
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ABC

A
A
B
B
C
C
3

ABC

A
A
B
B
C
C
4

AB C

A
A
B
B
C
C
99199

[___] m/s2

Answer:

5

99200

[___] s

Answer:

4.4

99201

[___] m

Answer:

91

99202

[___] m/s

Answer:

6.5

99203

4–420–20

A
4
B
–4
C
20
D
–20
99204

[___] m/s2

Answer:

-2.5

99205

[___] m

Answer:

562.5

99206

Which scenario could be represented by the motion map?

A
A car speeds up to merge onto the freeway and then continues at a constant velocity.
B
A car speeds up to pass a truck, then slows down to a constant velocity.
C
A car slows to stop at a stop sign. Once traffic is clear, the car speeds up.
D
A car slows to makes a U-turn, then continues in the opposite direction.

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