FIGURE 8-12 a 2-Kg Mass Is Moving Along the X

Multiple Choice

FIGURE 8-12 A 2-kg mass is moving along the x axis. The potential energy curve as a function of position is shown in Figure 8-12. The system is conservative. There is no friction.
-Refer to Figure 8-12 If the object is at rest at the origin, what will be its kinetic energy at 10 m along the +x-axis?

A) 4 J
B) 5 J
C) 6 J
D) 7 J
E) 6 J.