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Asmall object A electrically changed, creates an electric

field.At a point P located $0\mathrm{.}250$ m directly north of A $,$ the field has a value of $40\mathrm{.}0\frac{N}{C}$ directed to the south.

Part A

What is the charge of object $A?$

View Avalable Hint$($s$)$

$1\mathrm{.}11{10}^{-9}C$

$-1\mathrm{.}11{10}^{-9}C$

$278{10}^{-10}C$

$-278{10}^{-19}C$

$575{10}^{12}C$

$-5\mathrm{.}75{10}^{12}C$

ProviousAnawary

Correct

Part B by the wo cbjects at F$?$

View Avaliable Hints $=1$

$400\frac{N}{C}$

$500\frac{N}{C}$

$300$ NIC

$100\frac{N}{C}$