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toesockshoe

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## Homework Statement

Three point charges are located on the positive x-axis of a coordinate system. Charge q1 = 1.0 nC is 2.0 cm from the origin, charge q2 = -3.5 nC is 4.0 cm from the origin and charge q3 = 6.0 nC located at the origin. What is the net force ((a)magnitude and (b) direction) on charge q1 = 1.0 nCexerted by the other two charges?

The online homework grader is marknig my answer for part a wrong. Can someone tell me what's wrong with my solution for part a? My work is in the attachment.

2. Homework Equations

2. Homework Equations

see attachment

## The Attempt at a Solution

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see the attachment for my solution. The online homework grader is saying my answer is wrong.

#### Attachments

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