A car starts from rest, then accelerates at a constant rate over a distance of 96 m. It then immediately decelerates at a constant rate over a distance of 178 m. The entire trip lasts a total duration of 18.7 s. What were the magnitudes of the car s accelerations for the speedup and slowdown stages respectively?     4.47 m/s^2, then 2.41 m/s^2     5.13 m/s^2, then 9.52 m/s^2     1.57 m/s^2, then 1.57 m/s^2     9.52 m/s^2, then 5.13 m/s^2

Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 2.2OQ: A racing car starts from rest at t = 0 and reaches a final speed at time t. II the acceleration of...
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  1. A car starts from rest, then accelerates at a constant rate over a distance of 96 m. It then immediately decelerates at a constant rate over a distance of 178 m. The entire trip lasts a total duration of 18.7 s. What were the magnitudes of the car s accelerations for the speedup and slowdown stages respectively?
       
    4.47 m/s^2, then 2.41 m/s^2
       
    5.13 m/s^2, then 9.52 m/s^2
       
    1.57 m/s^2, then 1.57 m/s^2
       
    9.52 m/s^2, then 5.13 m/s^2
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