Question: The work done by an external force to move a - 9 . 6 0 C charge from point a to point b is 7

The work done by an external force to move a -9.60 C charge from point a to point b is 7.60104 J . If the charge was started from rest and had 4.50104 J of kinetic energy when it reached point b, what must be the potential difference between a and b?

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