How Does Acceleration Affect Travel Time Between Two Rally Checkpoints?

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Homework Help Overview

The discussion revolves around a problem involving two road rally checkpoints, A and B, which are separated by a distance of 8046.72 meters. The problem includes specific speed limits for segments of the journey and requires determining the acceleration of a driver who must stop at each checkpoint within a total time constraint of 620 seconds.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants are exploring the relationship between acceleration and travel time, questioning the interpretation of distance and speed limits provided in the problem. There is a focus on understanding the implications of constant acceleration and deceleration.

Discussion Status

Some participants have reiterated the problem details, while others have sought clarification on specific terms, such as the distance between points A and C. The discussion appears to be ongoing, with participants engaging in clarifying assumptions and parameters of the problem.

Contextual Notes

Participants are working within the constraints of the problem's parameters, including the specified distances, speed limits, and total travel time. There is an emphasis on the requirement for the driver to stop at each checkpoint.

teng125
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two road rally checkpoints A and B are located on the same highway and are 8046.72m apart.the speed limit for the first (A to C ) is 3106.86m and the last (C to B) is 1864.11m are 26.82m/s and 15.65m/s respectively . driver must stop at each checkpoint and the specific time between point A and point B is 620s.knowing a driver acce and decelerates at the same constant rate,determine the magnitude of her acceleration if she travels at the speed limit as much as possible.

the answer is 2.0634m/s^2
pls help
 
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Two road rally checkpoints A and B are located on the same highway and are 8046.72m apart.
The speed limit for the first (A to C ) is 3106.86m and the last (C to B) is 1864.11m are 26.82m/s and 15.65m/s respectively .
Driver must stop at each checkpoint and the specific time between point A and point B is 620s.
Knowing a driver acce and decelerates at the same constant rate, determine the magnitude of her acceleration if she travels at the speed limit as much as possible??

the answer is 2.0634m/s^2
pls help
 
teng125 said:
The speed limit for the first (A to C ) is 3106.86m and the last (C to B) is 1864.11m are 26.82m/s and 15.65m/s respectively .
Is 3106.86m referring to the distance between A and C?
 
ya, it is referring to that
 

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