A mass of 3.0 kg is subject to a force F(x) = 8.0 N - (4.0 N/m)x. The potential energy of the mass is zero at x = 0. What is the potential energy of the mass at x = 2.0 m?
A)
4.0 J
B)
0.0 J
C)
8.0 J
D)
-4.0J
E)
-8.0 J
E
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