How much work does the electric field do in moving a proton from a point with a potential of +145 v to a point where it is -55 v ? express your answer in joules?

The work done by the electric field in moving a charge is the negative of the potential energy difference between the two locations, which is the product between the magnitude of the charge q and the potential difference :

The proton charge is , and the two locations have potential of and , therefore the work is

Ithink d is the right answer. hope this !

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