What was your original speed in miles per hour? The light turns red, - ProProfs Discuss
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What was your original speed in miles per hour? The light turns red, and you come to a screeching halt. Checking your stopwatch, you see that you stopped in 4.5 seconds. Your deceleration was 1.23 x 10^-3 miles per second squared.



A. 21.6 miles/hour
B. 0.006 miles/hour
C. 0.36 miles/hour
D. 0.0001 miles/hour

This question is part of Acceleration, Distance and Time
Asked by KnowBeforeYouGo, Last updated: Mar 08, 2020

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KnowBeforeYouGo

KnowBeforeYouGo

Answered Sep 10, 2017

21.6 miles/hour
 

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