A charge of 2 X 10-7 C is acted upon by a force of 0.1 N. Determine the distance to the other charge of 4.5 X 10-7 C with both the charges in vacuum.单项选择题

题目图片
A

a. 0.05

B

b. 0.09

C

c. 0.07

D

d. 0.03

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