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Three point charges are placed at the fo...

Three point charges are placed at the following points on the x-axis `: 2 mu C " at " x=0, -3 mu C " at " x=40 cm " and " -5 mu C " at " x=120` cm. Calculate the force on the `-3 mu C` charge.

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The correct Answer is:
`0.15 N`
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