A 1.5-kg object moving along the x axis has a velocity of +4.0 m/s at x = 0. If the only force acting on this object is shown in the figure, what is the kinetic energy of the object at x = +3.0 m?
A. 18 J
B. 21 J
C. 23 J
D. 26 J
E. 8 J
Answer: A
Physics & Space Science
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