A train starts from rest and accelerates uniformly until it has traveled 2.5 km and acquired a velocity of 30 m/a. The train moves at a constant velocity of 30 m/s for 420 s.  The train then slows down uniformly at 0.03 m/s^2 until it is brought to a halt (stop). Calculate the acceleration during the first 2.5 km of travel and the total distance traveled by the train

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
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A train starts from rest and accelerates uniformly until it has traveled 2.5 km and acquired a velocity of 30 m/a. The train moves at a constant velocity of 30 m/s for 420 s. 
The train then slows down uniformly at 0.03 m/s^2 until it is brought to a halt (stop). Calculate the acceleration during the first 2.5 km of travel and the total distance traveled by the train. 

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