In a thundercloud there may be an electric charge of +30 C near the top of the cloud and −30 C near the bottom of the cloud.These charges are separated by about 4.00 km.What is the electric force between these two sets of charges? (ke = 8.99 × 109 N·m2/C2)
A) 5.1E+11 N
B) 1.3E+20 N
C) 5.1E+5 N
D) 2.0E+9 N
E) 3.2E+13 N
Correct Answer:
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