A rowing boat accelerates from rest at a constant rate of 0.4m/s^2 for 5s. It continues at constant velocity for sometime until decelerating to rest at a constant rate of 0.8m/s^2. In total the boat covers a distance of 30m. Find how long was spent at constant speed.

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 4CQ: (a) Can the equations in Table 2.4 be used in a situation where the acceleration varies with time?...
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A rowing boat accelerates from rest at a constant rate of 0.4m/s^2 for 5s. It continues at constant velocity for sometime until decelerating to rest at a constant rate of 0.8m/s^2. In total the boat covers a distance of 30m. Find how long was spent at constant speed.
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