AnswersHCISD-Integrated Physics and Chemistry B-CR SUMMERSpeed and Velocity

Acceleration Answers

11 verified answers
1
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Which scenario involves acceleration?

A
a motorcycle at constant speed on a highway
B
a recreational vehicle parked in a campground
C
a car decreasing its speed due to a red light
D
a teenager talking to friends at an intersection
2
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Study the image of the roller coaster, then answer the questions. Note that the arrows indicate the direction of the movement of the roller coaster train.

Question illustration
Answers:
Blank 1:A
Blank 2:B
3

Question text not available

Answer:

B

4

Question text not available

Answer:

2

5

A car traveling at a speed of 24 m/s comes to a stop at a red light.How much time will it take for the car to stop if its acceleration is –8.0 m/s2?

A
3 s
B
16 s
C
32 s
D
192 s
6

The graph shows the motion of a car. Which segments show that the car is accelerating? Select three options.

A
A
B
B
C
C
D
D
E
E
7

The graph shows the motion of a car. Which segment shows that the car is slowing down?

A
A
B
B
C
C
D
D
8

Question text not available

Answer:

5

9

What is the acceleration of the car at segment C?

A
30 m/s2
B
–30 m/s2
C
40 m/s2
D
–40 m/s2
10

Maia says that both lines on this position vs time graph show acceleration. Is she correct? Why or why not?

Answer:

No. Only the blue curved line shows acceleration because its slope (velocity) increases over time. The orange straight line has a constant slope, so it shows constant velocity and no acceleration.

11

What did you include in your response? Check all that apply.

A
Diagonal lines on a position vs time graph show constant velocity.
B
Constant velocity means no change in velocity.
C
No change in velocity means no acceleration.

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