Part A
A point charge $q_1$ = -4.00 nC is at the point $x$ = 0.60 m, $y$ = 0.80
m, and a second point charge $q_2$ = +6.00 nC is at the point $x$ =
0.60 m, $y$ = 0.
Calculate the magnitude of the net electric field at the origin due to these two point charges.
Express your answer in newtons per coulomb.
$E$ =
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Part B
Calculate the direction of the net electric field at the origin due to these two point charges.
Express your answer in degrees.
$\phi$ =
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counterclockwise from +$x$-axis