E1t7 PBL Regular Preap Physics 2016
(40).webp "E1t7 PBL Regular Preap Physics 2016 - Quiz")
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Questions and Answers
- 1.
The jogger is at rest during which interval?
- A.
AB
- B.
BC
- C.
DE
- D.
EF
Correct Answer
C. DEExplanation
During the interval DE, the jogger is at rest.Rate this question:
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- 2.
During which of the following intervals does the jogger have a constant positive velocity?
- A.
BC
- B.
CD
- C.
DE
- D.
FG
Correct Answer
A. BCExplanation
The jogger has a constant positive velocity during the interval BC because the jogger is moving in the positive direction without changing their speed.Rate this question:
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- 3.
During which interval is the magnitude of the jogger’s acceleration the greatest?
- A.
AB
- B.
BC
- C.
DE
- D.
EF
Correct Answer
D. EFExplanation
The magnitude of the jogger's acceleration is the greatest during the interval EF. This can be inferred because EF is the steepest part of the graph, indicating a rapid change in velocity. The greater the change in velocity over a given time interval, the greater the acceleration. Therefore, the magnitude of the jogger's acceleration is the highest during the interval EF.Rate this question:
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- 4.
During which of the following intervals is the speed of the jogger decreasing?
- A.
AB only
- B.
AB and CD
- C.
AB, CD, and EF
- D.
EF only
Correct Answer
B. AB and CDExplanation
The speed of the jogger is decreasing during the intervals AB and CD. This means that the jogger is slowing down during these intervals.Rate this question:
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- 5.
During which of the following intervals does the jogger have a constant negative velocity?
- A.
BC
- B.
CD
- C.
DE
- D.
FG
Correct Answer
D. FGExplanation
The jogger has a constant negative velocity during the interval FG because the velocity is negative and remains constant throughout this interval. This means that the jogger is moving in the opposite direction of the positive axis and at a constant speed.Rate this question:
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- 6.
What does the graph illustrate about acceleration?
- A.
The acceleration varies.
- B.
The acceleration is zero.
- C.
The acceleration is constant.
- D.
The acceleration increases then becomes constant.
Correct Answer
A. The acceleration varies.Explanation
The graph illustrates that the acceleration is not constant throughout the given time period. It shows that the acceleration changes in magnitude and direction, indicating that it varies.Rate this question:
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- 7.
In the graph, how does the acceleration at A compare with the acceleration at B?
- A.
The acceleration at A is positive and less than the acceleration at B.
- B.
The acceleration at B is positive and less than the acceleration at A.
- C.
The accelerations at A and B are each zero.
- D.
The accelerations at A and B cannot be determined.
Correct Answer
C. The accelerations at A and B are each zero.Explanation
The graph shows that both the acceleration at A and the acceleration at B are zero. This means that there is no change in velocity at either point A or point B. The absence of acceleration indicates that the object is either at rest or moving with a constant velocity at both points.Rate this question:
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- 8.
Over which of the following intervals indicated on the graph is the object speeding up?
- A.
Interval 1 only
- B.
Interval 3 and Interval 6 only
- C.
Interval 1 and Interval 4 only
- D.
Interval 6 only
Correct Answer
C. Interval 1 and Interval 4 onlyExplanation
The object is speeding up during Interval 1 and Interval 4 only because in these intervals, the velocity of the object is increasing. This can be observed from the graph where the slope of the line representing the object's velocity is positive during these intervals.Rate this question:
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- 9.
Over which of the following intervals on the graph is the velocity constant?
- A.
Interval 1 and Interval 3 only
- B.
Interval 2 and Interval 3 only
- C.
Interval 2 and Interval 5 only
- D.
Interval 4 and Interval 5 only
Correct Answer
C. Interval 2 and Interval 5 onlyExplanation
The velocity is constant when the graph is a horizontal line, indicating that the object is moving at a constant speed. In the given options, Interval 2 and Interval 5 are the only intervals where the graph shows a horizontal line, suggesting that the velocity is constant during these intervals. Therefore, the correct answer is Interval 2 and Interval 5 only.Rate this question:
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- 10.
Over which of the following intervals indicated on the graph is the object traveling east?
- A.
Interval 4, Interval 5, and Interval 6 only
- B.
Interval 1, Interval 2, and Interval 3 only
- C.
Interval 1 and Interval 4 only
- D.
Interval 1 and Interval 6 only
Correct Answer
B. Interval 1, Interval 2, and Interval 3 only -
- 11.
During which of the following intervals does the jogger slowing down?
- A.
BC
- B.
CD
- C.
DE
- D.
FG
Correct Answer
B. CDExplanation
The jogger is slowing down during the interval CD.Rate this question:
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- 12.
During which of the following intervals does the jogger travel south?
- A.
BC
- B.
CD
- C.
DE
- D.
FG
Correct Answer
D. FGExplanation
The jogger travels south during the interval FG because the given options represent different intervals. Since FG is the only interval that indicates a southward direction, it can be inferred that the jogger travels south during that interval.Rate this question:
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- 13.
During which of the following intervals does the jogger speeding up?
- A.
BC
- B.
CD
- C.
DE
- D.
EF
Correct Answer
D. EFExplanation
The jogger is speeding up during the interval EF because the letters represent points along a path. The jogger is moving from point E to point F, indicating an increase in speed.Rate this question:
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- 14.
Over which of the following intervals indicated on the graph is the object slowing down?
- A.
Interval 1 only
- B.
Interval 3 and Interval 6 only
- C.
Interval 1 and Interval 4 only
- D.
Interval 1 and Interval 4 only
Correct Answer
B. Interval 3 and Interval 6 onlyExplanation
The object is slowing down during Interval 3 and Interval 6 only because the graph shows a decrease in velocity during these intervals. This indicates that the object is experiencing deceleration or negative acceleration, which means it is slowing down.Rate this question:
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- 15.
Over which of the following intervals indicated on the graph is the object traveling north?
- A.
Interval 4, Interval 5, and Interval 6 only
- B.
Interval 1, Interval 2, and Interval 3 only
- C.
Interval 1 and Interval 4 only
- D.
Interval 1 and Interval 6 only
Correct Answer
B. Interval 1, Interval 2, and Interval 3 only -
- 16.
Over which of the following intervals indicated on the graph is the object traveling south?
- A.
Interval 4, Interval 5, and Interval 6 only
- B.
Interval 1, Interval 2, and Interval 3 only
- C.
Interval 1 and Interval 4 only
- D.
Interval 1 and Interval 6 only
Correct Answer
A. Interval 4, Interval 5, and Interval 6 only -
- 17.
Over which of the following intervals indicated on the graph is the object traveling west?
- A.
Interval 4, Interval 5, and Interval 6 only
- B.
Interval 1, Interval 2, and Interval 3 only
- C.
Interval 1 and Interval 4 only
- D.
Interval 1 and Interval 6 only
Correct Answer
A. Interval 4, Interval 5, and Interval 6 onlyExplanation
The object is traveling west during Interval 4, Interval 5, and Interval 6 only because in these intervals, the object's position on the graph is decreasing from left to right, indicating a westward direction of travel.Rate this question:
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Jun 14, 2023Quiz Edited by
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