Answer
The kinetic energy is zero.
Work Step by Step
At time $t = 5.0~s$, we can see on the graph that the slope of the $x$ versus $t$ graph is zero.
Therefore, the velocity is zero and it follows that the kinetic energy is zero.
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 7 - Kinetic Energy and Work - Problems - Page 176: 79b
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