Two point charges are separated by $25\mathrm{.}0cm($see $($Figure $1)).$ Assume that $q_1=-5\mathrm{.}00nC$ and $q_2=-11\mathrm{.}0nC.$

Find the net electric field these charges produce at point $A.$

Express your answer in newtons per coulomb to three significant figures.

$E=$

N$/$C

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Part B

Find the net electric field these charges produce at point $B.$

Express your answer in newtons per coulomb to three significant figures.

$E=$

$\frac{N}{C}$

What would be the magnitude of the electric force this combination of charges would produce on a proton at $A?$

Express your answer in newtons to three significant figures.

$F=$

N