Electric Potential Energy in a Uniform Field
A proton moves 0.30 m at an angle of 60° with respect to a uniform electric field of magnitude 5.0×10^3 N/C. What is the change in the electric potential energy of the proton?
A
-1.2×10^-16 J
B
0 J
C
-2.4×10^-16 J
D
+1.2×10^-16 J
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