# physics 2

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A proton is located at the origin of a rectilinear coordinate system. An electron is at x=4pm, y=3pm. What is the force on the proton. Give your answer in unit vector notation.

• physics 2 -

You can do this in each direction

Fx= kqq/x^2 fy= kqq/y^2

then the resultant force will be the vector addition of these two.

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