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A train with a constant velocity of +30 m/s approaches a small town. The operator applies the brake, reducing the train's velocity to +10 m/s.
- A train with a constant velocity of +30 m/s approaches a small town. The operator applies the brake, reducing the train's velocity to +10 m/s. If the average acceleration of the train during braking is -2 m/s2, for what elapsed time does the operator apply the brake?
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Conceptual Physical Science
Authors: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt
5th Edition
0321753348, 9780321753342
