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If E=2r^(2) then find V(r)...

If `E=2r^(2)` then find V(r)

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Given `E = 2r^(2)`
we know that `int dv = -int vec(E).dr = - int 2e^(2) dr`
`rArr V(r ) = (-2r^(3))/(3) + c`
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