Posted by **anne** on Thursday, February 16, 2012 at 11:37am.

In an electic field described by E=(20i+60j) V/m, calculate the change in potential for a particle that moves from the origin to the coordinate (3,3) m?

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**bobpursley**, Thursday, February 16, 2012 at 1:17pm
V= integral Edx= INT (20i+60j)dot dx= 60+80=140volts

notice the dot product, so integrate x first, then y, then add the scalars.

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