Question

as shown in figure, a charge of +2.0 μc is located at point A and another...

as shown in figure, a charge of +2.0 μc is located at point A and another negative charge of -3.0 μc is located at point B. The distances A to C and B to C are the same and equal to 1.5 m. If the third charge of +4.0 μc is inserted at point C, how much work must be done?

The picture is a triangle

A

|  

|

C __________________B

Answers:

-0.12 J

0.12 J

-0.024 J

0.024 J

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