Week 4 Fall 2019Problem 2.519 of 13Review ConstantsThe minimum stopping distance for a cartraveling at a speed of 30 m/s is 60 mincluding the distance traveled during thePart Adriver's reaction time of 0.680 sWhat is the minimum stopping distance for the same car traveling at a speed of 39.0 m/s?Eνα ΑΣφ174Previous AnswersRequest AnswerSubmitx Incorrect; Try Again; 5 attempts remainingP Pearson

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Asked Oct 25, 2019
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Week 4 Fall 2019
Problem 2.51
9 of 13
Review Constants
The minimum stopping distance for a car
traveling at a speed of 30 m/s is 60 m
including the distance traveled during the
Part A
driver's reaction time of 0.680 s
What is the minimum stopping distance for the same car traveling at a speed of 39.0 m/s?
Eνα ΑΣφ
174
Previous Answers
Request Answer
Submit
x Incorrect; Try Again; 5 attempts remaining
P Pearson
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Week 4 Fall 2019 Problem 2.51 9 of 13 Review Constants The minimum stopping distance for a car traveling at a speed of 30 m/s is 60 m including the distance traveled during the Part A driver's reaction time of 0.680 s What is the minimum stopping distance for the same car traveling at a speed of 39.0 m/s? Eνα ΑΣφ 174 Previous Answers Request Answer Submit x Incorrect; Try Again; 5 attempts remaining P Pearson

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Expert Answer

Step 1

the stopping distance ( the distance minus from the reaction time distance)  is 

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d s-vt

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Step 2

substitute the given values, 

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d 60m-(30m/s) (0.680 s) 39.6m

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Step 3

stopping distances are proportional to the sq...

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