An electron and proton are attached to an x axis with the, Ask an Expert

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An electron and proton are attached to an x axis, with the electron at x = +1.00 m and the proton at -1.00 m.

(a) How much work is required to bring an additional electron from infinity to the origin of the axis.

(b) if, instead of the second electron coming in from infinity, its initially at x = +20.00 m on the x axis and is given an initial velocity of 500.0 m/s toward the origin, does it reach the origin? If so, what is its speed the instant it reaches the origin? If not, how close to the origin does it come.

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