The force between a 30-mC charge and a -90-mC charge is 1.8 N. How far apart are they?
A. 1.9 m
B. 2.3 m
C. 3.7 m
D. 4.2 m
Answer:C
The force between a 30-mC charge and a -90-mC charge is 1.8 N. How far apart are they?
A. 1.9 m B. 2.3 m C. 3.7 m D. 4.2 m