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Question #94554

1 Answer

Jul 14, 2016

-12

Explanation:

$\to E = - \nabla V$ $vec E = - nabla V$ by definition

here that means:

${\to E}_{x} = - \frac{d V}{d x} = - 6 x$ $vec E_x = - (dV)/dx = - 6x$

so here E = -12

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