Thursday
December 18, 2014

Homework Help: physics

Posted by Anonymous on Friday, February 15, 2013 at 12:30am.

Three charges are located on a horizontal axis.
12 C −0.8 C 12 C
p
1.69656 m
2.9 m 2.9 m
Determine the magnitude of the electric
field at p, vertically above the charge −0.8 C
as shown in the figure. Let up be the positive direction. The Coulomb constant is
8.98755 10
9
N m2
/C
2
.
Answer in units of V/m

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