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