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A car starts from rest, then accelerates at a constant rate over a distance of 57 m. It then immediately decelerates at a constant rate over a distance of 113 m. The entire trip lasts a total duration of 27.5 s. What were the magnitudes of the car s accelerations for the speedup and slowdown stages respectively?   The car comes to a complete stop at the end of the braking phase.     a. 4.11 m/s^2, then 2.07 m/s^2   b. 1.34 m/s^2, then 0.68 m/s^2   c. 2.07 m/s^2, then 4.11 m/s^2   d. 0.45 m/s^2, then 0.45 m/s^2

A car starts from rest, then accelerates at a constant rate over a distance of 57 m. It then immediately decelerates at a constant rate over a distance of 113 m. The entire trip lasts a total duration of 27.5 s. What were the magnitudes of the car s accelerations for the speedup and slowdown stages respectively?   The car comes to a complete stop at the end of the braking phase.     a. 4.11 m/s^2, then 2.07 m/s^2   b. 1.34 m/s^2, then 0.68 m/s^2   c. 2.07 m/s^2, then 4.11 m/s^2   d. 0.45 m/s^2, then 0.45 m/s^2

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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  1. A car starts from rest, then accelerates at a constant rate over a distance of 57 m. It then immediately decelerates at a constant rate over a distance of 113 m. The entire trip lasts a total duration of 27.5 s. What were the magnitudes of the car s accelerations for the speedup and slowdown stages respectively?
     
    The car comes to a complete stop at the end of the braking phase.
     
      a.
    4.11 m/s^2, then 2.07 m/s^2
      b.
    1.34 m/s^2, then 0.68 m/s^2
      c.
    2.07 m/s^2, then 4.11 m/s^2
      d.
    0.45 m/s^2, then 0.45 m/s^2
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