Question: A proton is placed at the origin. An electron that is initially very far away is then taken on the path shown in Figure P18.11

A proton is placed at the origin. An electron that is initially very far away is then taken on the path shown in Figure P18.11 and eventually stops a distance of 3.0 nm (= 3.0 ? 10-9 m) from the proton. How much work was done on the electron to move it along this path?

Figure P18.11

?y +e -e 3 nm

y +e -e 3 nm

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