A particle with charge 7 µC is located on the x-axis at the point −4 cm...

A particle with charge 7 µC is located on the x-axis at the point −4 cm , and a second particle with charge 4 µC is placed on the x-axis at 8 cm . What is the magnitude of the total electrostatic force on a third particle with charge −4 µC placed on the x-axis at 2 cm ? The Coulomb constant is 8.9875 × 109 N · m2 /C 2 . Answer in units of N.

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Expert Solution

Charge is at

Charge is between the charges and .

is to the left of charge and is to the right of charge .

Electrostatic force on charge due to charge is towards negative X-axis .

Electrostatic force on charge due to charge is towards positive X-axis.

Net electrostatic force on charge is

Magnitude of electrostatic force on charge is and direction is along negative X-axis (towards charge )

genius_generous answered 1 month ago

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