A particle with a charge of $+4\mathrm{.}00nC$ is in a uniform electric field vec$(E)$ directed to the negative $x$ direction. It is released from rest, and after it has moved $5\mathrm{.}00cm,$ its kinetic energy is found to be $1\mathrm{.}50{10}^{-6}J$

Part A

What work was done by the electric force?

Express your answer with the appropriate units.

$W=$

Part B

What was the change in electric potential over the distance that the charge moved?

Express your answer with the appropriate units.

$V=$

Part C

What is the magnitude of vec$(E)?$

Express your answer with the appropriate units.

$E=[,]$

Part D

What was the change in potential energy of the charge?

Express your answer with the appropriate units.

$U=$